# UTEC Industrial — Full Site Corpus Source: https://utec.co Generated: 2026-04-30 --- ## UTEC Industrial: Automated Material Handling Systems & Parts URL: https://utec.co/ Description: UTEC Industrial designs, engineers, machines and fabricates high-performance material handling systems, since 1983. High-Performance Material Handling Systems and Components UTEC designs, engineers, machines and fabricates world-class automated material handling systems for aerospace and heavy industry — trusted since 1983 and proudly made in USA. Get a Quote Explore Solutions Trusted by Industry Leaders Material Handling & Systems Automation Solutions UTEC Industrial provides the complete range of material handling and systems automation services — from initial design and engineering through CNC machining, fabrication, heat treating, and final assembly. Industrial Material Handling Custom-designed heavy material handling and systems automation for aerospace, defense, lumber, aluminum, and steel industries. UTEC systems handle loads from 500 lbs to 500,000+ lbs. Explore Solutions Custom Engineering & Fabrication End-to-end engineering and fabrication for heavy industrial equipment — from 3D modeling and FEA analysis through welding, machining, and assembly in our 25,000 sq ft fabrication plant. Explore Solutions CNC Machine Services High-precision CNC machining on Mori Seiki, Mazak, and Monarch equipment. Parts machined to tolerances of ±0.001 inches for millions of production cycles. Explore Solutions Steel Crane Wheels Precision-machined from AISI 4140 and 4340 alloy steel billets with in-house induction hardening to 50–58 HRC. Custom-manufactured to customer drawings or reverse-engineered from worn samples. Explore Solutions Custom Software & PLC PLC programming, motion control, and systems automation for complex industrial processes. UTEC integrates Allen-Bradley, Siemens, and other control platforms into turnkey material handling systems. Explore Solutions Heat Treating & Annealing On-site car-bottom furnace (6 ft x 10 ft x 17 ft, up to 1,800 °F) for annealing, stress relieving, and normalizing. Automated vibratory stress relief also available for oversize weldments. Explore Solutions UTEC Capabilities Ready to tackle your toughest project. UTEC's vertically integrated facility handles every step — from raw material through finished, tested systems automation equipment. 25,000 Sq Ft Fabrication Plant UTEC's heavy industrial fabrication plant and machine shop in Spokane, WA produces extreme-scale material handling equipment — from industrial lumber and raw materials handling machines to aerospace positioning cranes and automated conveyor systems. Precision CNC Machining UTEC machines precision components on Mori Seiki, Mazak, and Monarch CNC equipment — producing parts to tolerances of ±0.001 inches, designed to last millions of production cycles in extreme operating conditions. High-Temperature Furnace UTEC's on-site car-bottom furnace measures 6 ft x 10 ft x 17 ft and reaches temperatures up to 1,800 °F. Used for annealing, stress relieving, and normalizing — ensuring optimal material strength and durability in finished components. Vibratory Stress Relief UTEC uses automated vibratory stress relief to reduce internal stress in large weldments and fabricated structures — improving dimensional stability and structural integrity without the size constraints of furnace-based methods. Explore All Capabilities Our Work UTEC Industrial has engineered and built material handling and systems automation solutions for Lockheed Martin, Kaiser Aluminum, Maxar Technologies, Weyerhaeuser, and the W.M. Keck Observatory. Satellite Solar Array Testing Automated deployment testing system for Lockheed Martin's satellite solar array production line — precision positioning with multi-axis motion control. View Project Biomass Drum Dryers Massive wood chip and biomass drum dryers designed by Westec and fabricated by UTEC for Weyerhaeuser's industrial processing operations. View Project Satellite Test Positioner Precision multi-axis positioner for satellite antenna testing in anechoic chambers — sub-degree positioning accuracy under full satellite load. View Project View All Projects Industry Resource Center UTEC publishes in-depth technical references for engineers, maintenance managers, and procurement specialists. Our resource library covers materials science, machining processes, heat treatment, failure analysis, and specification guidance — written to help you make better decisions, regardless of where you source your components. Materials & Alloy Selection Steel grades, hardenability, chemical composition documentation, and how material choice affects service life under heavy cyclic loads. Browse Articles Heat Treatment & Hardening Induction hardening, through-hardening, quench and temper processes, case depth measurement, and Rockwell/Brinell hardness testing. Browse Articles Machining & Tolerances Precision machining processes, tread tolerances, bore finishing, reverse engineering from worn samples, and quality documentation standards. Browse Articles Visit the Resource Center Let's Build Something Together Join the industrial companies who choose UTEC for fast, high-throughput material handling and systems automation. Reliable, high-performance systems for the toughest environments — machines that work right and keep on working for millions of cycles. Get a Quote (509) 922-1832 Ready to Tackle Your Toughest Project? UTEC Industrial engineers and builds material handling and systems automation solutions for the most demanding applications in aerospace, defense, and heavy industry. Get a Quote --- ## Material Handling & Systems Automation Solutions URL: https://utec.co/solutions/ Description: UTEC Industrial provides the complete range of material handling and systems automation services — from design and engineering through CNC machining, fabrication, heat treating, and final assembly. Material Handling & Systems Automation Solutions UTEC Industrial provides the complete range of material handling and systems automation services — from initial design and engineering through CNC machining, fabrication, heat treating, and final assembly. Every project is built in our 25,000 sq ft facility in Spokane, WA, under one roof and one team. Our Solutions From raw material to finished, tested equipment — UTEC handles every step of the manufacturing process. Select a solution below to see how we can help with your next project. Industrial Material Handling Custom-designed heavy material handling and systems automation for aerospace, defense, lumber, aluminum, and steel industries. UTEC systems handle loads from 500 lbs to 500,000+ lbs with full mechanical, electrical, and software integration. Explore Material Handling Solutions Custom Engineering & Fabrication End-to-end engineering and fabrication for heavy industrial equipment — from 3D modeling and FEA analysis through welding, machining, and assembly. Trusted by Weyerhaeuser, Maxar, RTX, and Kaiser Aluminum. Explore Engineering Services CNC Machine Services High-precision CNC machining on Mori Seiki, Mazak, and Monarch equipment. Gantry sawing up to 50 x 84 inches, lathe turning to 48-inch diameter, and tolerances to ±0.001 inches for demanding production environments. Explore CNC Machining Steel Crane Wheels Precision-machined from AISI 4140 and 4340 alloy steel billets with in-house induction hardening to 50–58 HRC. Custom-manufactured to customer drawings or reverse-engineered from worn samples for exact-fit replacements. Explore Crane Wheels Custom Software & PLC PLC programming, motion control, and systems automation for complex industrial processes. UTEC is a Rockwell Automation Recognized System Integrator and Allen-Bradley certified partner for turnkey control systems. Explore Industrial Software Heat Treating & Annealing On-site car-bottom furnace (6 ft x 10 ft x 17 ft, up to 1,800 °F, 50-ton capacity) for annealing, stress relieving, and normalizing. Automated vibratory stress relief also available for oversize weldments. Explore Heat Treating Ready to Tackle Your Toughest Project? UTEC Industrial engineers and builds material handling and systems automation solutions for the most demanding applications in aerospace, defense, and heavy industry. Get a Quote --- ## Steel Crane Wheels — Custom & Hardened In-House URL: https://utec.co/solutions/steel-crane-wheels/ Description: UTEC manufactures custom alloy steel crane wheels to your specification — alloy grade, tread hardness, bore, and profile. In-house induction hardening. Rapid replacement from billet stock. Ships throughout North America. Custom Alloy Steel Crane Wheels — Built to Your Specification UTEC Industrial manufactures crane wheels to your alloy grade and hardness requirements — precision-machined from high-alloy steel billet, hardened in-house to 50–58 HRC, and shipped throughout the United States, Canada, and Mexico. No catalog. No distributor's warehouse. Built to your specification, from our shop in Spokane Valley, WA. Get a Quote Rapid Replacement Why Buyers Specify UTEC Crane Wheels Your Alloy. Your Hardness. Every UTEC wheel is manufactured to the customer's chemical and hardness specification. You specify the alloy grade — AISI 1045, 4140, 4340, or 8620 — and the target Rockwell hardness. UTEC procures the billet and hardens in-house to that value. No catalog substitutions. No distributor picking the closest thing on a shelf. In-House Induction Hardening — No Subcontracting UTEC performs induction hardening in-house on every wheel. Case depth and surface hardness are verified by Rockwell testing before shipment. No heat-treat subcontractor delays, no handoffs, no quality gaps between machining and hardening. One facility, one accountable supplier, complete raw material chemistry documentation available on every order. In-Stock Billet — Start Today, Not Next Week UTEC maintains alloy steel billet stock in AISI 4140 and 4340. When you need replacement wheels, machining begins immediately — not after procurement. UTEC ships throughout the United States, Canada, and Mexico. Buyers in the Pacific Northwest benefit from shorter freight runs, but UTEC supplies customers nationwide on the same terms. Crane Wheel Capabilities Capability Specification Raw Material AISI 1045, 4140, 4340, 8620 high-alloy steel billet — 4140 and 4340 in stock Turning Capacity Up to 48-inch diameter × 60-inch length Machining Tolerance ±0.001 inches on tread diameter and bore Tread Hardness 50–58 HRC standard; other values to customer specification Hardening Method In-house induction hardening — no subcontracting Case Depth Specified per application; typical range 0.25–0.75 inches Tread Profiles Flat, tapered, single-flange, double-flange, V-groove, custom Bore Types Press-fit, thermal installation (shrink-fit), keyed, bearing assembly CMAA Service Class Class A through Class F Custom Options To engineering drawing, OEM part number, or reverse-engineered from worn sample Documentation Complete raw material chemistry, hardness test reports, dimensional inspection, heat treat certs Ships To United States, Canada, Mexico Three Ways to Order Crane Down — Need Wheels Fast Send UTEC what you have — a part number, a description, a worn wheel, or a rough sketch. We will turn a quote within one business day and begin production on the fastest schedule the job requires. Rapid Replacement Custom to Your Drawing or OEM Spec You have an engineering drawing, OEM part number, or a written specification. UTEC manufactures to your exact alloy, target Rockwell hardness, geometry, and bore requirements. Accepts DXF, PDF, paper drawings, or inch/metric specifications. Custom to Drawing No Drawing — Send Photos & Measurements No drawing. No part number. Send UTEC photos, measurements, and any available specs — our engineers reconstruct the geometry remotely, produce engineering drawings for your approval, and manufacture exact-fit replacements. No need to ship the part. Reverse Engineering Crane Wheel Applications Overhead & Bridge Cranes End truck and trolley wheels for top-running and under-running overhead bridge cranes. CMAA Class A through D. Flat, tapered, and flanged profiles to rail specification. Overhead & Bridge Cranes Gantry & Portal Cranes Large-diameter wheels for rail-mounted outdoor gantry systems. Up to 48-inch diameter. Full-gantry, semi-gantry, and portal configurations. Gantry & Portal Cranes Transfer Cars V-groove and flat tread wheels for shop floor transfer cars, ladle transfer cars, and embedded rail systems. Custom to drawing or reverse-engineered. Transfer Cars Ladle & Foundry Cranes Severe-duty Class E and F wheels for ladle cranes, foundry cranes, and steel mill bridge cranes. AISI 4340, in-house hardening, NDE documentation available. Ladle & Foundry Cranes Sheaves & Reeving Blocks Precision-machined alloy steel sheave wheels for crane hoisting systems. Custom groove profiles, wire rope compatibility, in-house hardening. To drawing or reverse-engineered. Sheaves & Reeving Blocks Tread Profiles & Flange Configurations Profile Typical Application Flat tread Standard overhead bridge and gantry cranes on flat-head rail Tapered tread Self-centering applications; reduces flange-to-rail contact on straight runs Single-flange One-rail guidance; common on paired end truck wheelsets Double-flange Both rails guided; transfer cars, low-clearance, embedded rail V-groove Embedded square or angle-iron rail; shop floor transfer cars Custom Radiused, combination profiles, non-standard gauge — to drawing Detailed engineering reference: Wheel & Tread Types Technical data sheets: Crane Wheel Specifications Custom Crane Wheels, Shipped Throughout North America UTEC ships alloy steel crane wheels throughout the United States, Canada, and Mexico. Orders are manufactured in Spokane Valley, Washington and ship by common carrier or expedited freight to customers in every region. Buyers in the Pacific Northwest typically benefit from faster delivery times due to UTEC's location, but UTEC supplies customers from coast to coast and across North America on the same terms. Call (509) 922-1832 to discuss timeline for your location and order. Industries Served Lumber & Timber Mining Primary Metals & Steel Mills Aerospace & Defense Marine & Shipbuilding Hydroelectric Cement & Aggregate Paper & Pulp Mills Power Generation Waste-to-Energy General Industrial Frequently Asked Questions What alloy steel grades does UTEC use for crane wheels? UTEC machines crane wheels from AISI 1045, 4140, 4340, and 8620 high-alloy steel billets. AISI 4140 (chromium-molybdenum) is the most commonly specified grade for general industrial crane service — it achieves consistent tread hardness of 50–55 HRC with case depths of 0.25–0.50 inches and is appropriate for CMAA Class C through D service. AISI 4340 (nickel-chromium-molybdenum) is specified for severe-duty Class E and F applications, large-diameter wheels, and high-impact service such as ladle cranes, where 4140 would develop subsurface fatigue. AISI 1045 is used for light-duty Class A and B applications where cost is a primary driver and full hardenability is not required. AISI 8620 is a case-hardening grade used in drive wheels subject to torsional stress. UTEC can provide complete raw material chemistry documentation — the full chemical composition of the steel — for every wheel it manufactures. Can I specify the exact tread hardness I need? Yes. UTEC produces crane wheels to customer-specified tread hardness rather than a catalog range. Typical tread hardness for general industrial service is 50–58 HRC (approximately 480–620 BHN) achieved through in-house induction hardening. If your application requires a specific Rockwell or Brinell value within this range — or outside it, where achievable within the alloy's capability — specify it on your drawing or purchase order and UTEC will manufacture to that value. Hardness test results are provided with every shipment, taken at multiple points around the tread circumference to confirm uniformity. What is in-house induction hardening and why does it matter? Induction hardening uses an electromagnetic coil to rapidly heat the tread surface above its austenitizing temperature, followed by a controlled quench. This creates a hard martensitic case at the tread — typically 50–58 HRC — while the wheel core retains its original toughness. UTEC performs this process in-house, meaning there is no subcontractor involved between machining and hardening. This matters for two reasons: first, it eliminates the lead time and coordination risk of sending wheels to an outside heat treater; second, it gives UTEC direct control over case depth and hardness uniformity, verified by Rockwell testing before shipment. A wheel that arrives from UTEC has been machined, hardened, inspected, and documented at one address. What is the maximum crane wheel diameter UTEC can manufacture? UTEC's CNC turning capacity is up to 48 inches in diameter and 60 inches in length, accommodating the largest crane wheels used in industrial gantry, ladle, and portal crane applications. For reference, most standard overhead bridge crane end truck wheels range from 12 to 30 inches in diameter — UTEC's capacity handles wheels well beyond this range. If your wheel diameter requirement is unclear, contact UTEC with the crane nameplate capacity and wheel base and UTEC can advise on the required diameter range. Can UTEC manufacture wheels to CMAA specifications? Yes. UTEC manufactures crane wheels to CMAA Specification No. 70 (top-running overhead and bridge cranes) and No. 74 (underhung cranes), including material, hardness, and dimensional requirements for Class A through Class F service. When ordering, specify the CMAA service class and UTEC will confirm the appropriate alloy grade and hardness range. If you have existing wheels that predate CMAA standards or were specified to a different standard (AISE, DIN, etc.), UTEC can manufacture to the dimensional and hardness requirements stated on the drawing. Can UTEC reverse-engineer a crane wheel from a worn sample with no drawing? Yes — approximately 90% of UTEC's crane wheels are produced to customer drawings or by reverse engineering from worn samples. The process starts with photos and measurements submitted by the customer — no need to ship the part. UTEC engineers reconstruct all critical geometry from the submitted documentation, produce a dimensioned engineering drawing, and send it to the customer for approval before machining begins. Replacement wheels are manufactured to the confirmed drawing with in-house induction hardening. If wear patterns indicate the original specification was inadequate — insufficient hardness, wrong alloy, mismatched tread profile — UTEC flags this and recommends improvements before manufacturing. Full reverse engineering process → How fast can UTEC turn a replacement crane wheel order? Standard production lead time varies with order complexity, wheel diameter, and current shop load — contact UTEC with your requirements for a current estimate. For emergency downtime situations, UTEC maintains billet stock in AISI 4140 and 4340 and can begin machining immediately upon receipt of a complete drawing or worn wheel sample, without a material procurement wait. Expedited production is available. The fastest path is to call UTEC directly at (509) 922-1832 and describe your situation — UTEC's production team will give you a realistic timeline for your specific wheel. Does UTEC ship crane wheels outside the Pacific Northwest? UTEC ships crane wheels throughout the United States, Canada, and Mexico. While buyers in the Pacific Northwest benefit from UTEC's Spokane Valley location for freight timing, UTEC regularly supplies customers in California, Texas, the Gulf Coast, Midwest, and East Coast. Shipping method and carrier are coordinated with the customer based on timeline requirements. Expedited freight is available for emergency replacement orders regardless of destination. Technical Reference Library Every specification question answered in depth at the UTEC Crane Wheel Resource Center. Materials Alloy Steel Grades for Crane Wheels Compare AISI 1045, 4140, 4340, and 8620 — hardenability, service class matching, chemistry documentation. Hardening Induction Hardening for Crane Wheels Process detail, case depth, hardness ranges by service class, quench method comparison. Tread Types Wheel & Tread Types Flat, tapered, radiused, V-groove profiles — selection by rail type and application. Load Capacity CMAA Service Classifications Explained Class A through F — duty cycles, starts per hour, load spectrum, and wheel selection implications. Failure Modes Crane Wheel Failure Modes & Replacement Spalling, flat spotting, flange wear — identification, root causes, and replacement strategy. Reverse Engineering Reverse Engineering from Worn Samples How UTEC measures worn wheels, estimates original dimensions, and produces accurate replacements. Browse All Technical Articles Request a Crane Wheel Quote Tell us your alloy grade, hardness requirement, dimensions, and quantity — or send photos and measurements of your worn wheel. UTEC responds within one business day. Get a Quote Last updated: April 2026 --- ## Overhead & Bridge Crane Wheels — Custom Alloy Steel URL: https://utec.co/solutions/steel-crane-wheels/overhead-bridge/ Description: UTEC manufactures replacement and custom crane wheels for overhead bridge cranes. AISI 4140/4340, induction hardened to 50–58 HRC, CMAA Class A–D. To drawing, OEM spec, or reverse-engineered from worn samples. Overhead & Bridge Crane Wheels Custom alloy steel end truck and trolley wheels for top-running and under-running overhead bridge cranes. CMAA Class A through D. Flat, tapered, and flanged tread profiles. Manufactured to drawing, OEM part number, or reverse-engineered from worn samples. Ships throughout North America. Get a Quote Rapid Replacement → End Truck Wheels for Overhead Bridge Cranes Overhead bridge cranes use four running wheels in each end truck — two drive wheels connected by the drive shaft and two idler wheels. The drive wheels must transmit traction force to the rail and resist torsional stress; idler wheels carry load and guide the bridge. Material and hardness specification for each position can differ, though in most industrial applications both positions are specified identically for interchangeability. For CMAA Class C service (cranes handling loads at approximately 50% of rated capacity), AISI 4140 hardened to 340–370 BHN (approximately 36–40 HRC) is standard. For Class D (heavy duty, 50–65% of working time), 4140 at 370–400 BHN or 4340 for larger wheel diameters is appropriate. Tread profile is selected relative to ASCE rail head width — the contact patch should span 70–80% of the rail head for optimal load distribution and to minimize edge loading that accelerates flange wear. UTEC Industrial maintains billet stock in 4140 and 4340 and can begin replacement production immediately for most overhead crane wheel profiles. If the original wheel is no longer available from the crane OEM, UTEC's reverse engineering process produces a dimensioned drawing from submitted photos and measurements — no need to ship the part. Common Overhead Crane Wheel Failure Modes Tread Spalling Surface fatigue fracture of the hardened tread layer. Initiated by cyclic contact stress at or just below the tread surface exceeding the steel's fatigue limit. Most common in Class D and above service with inadequate tread hardness or alloy grade for the actual duty cycle. Visual indicator: irregular pitting or flaking on the tread face. Remedy in replacement: upgrade alloy grade or specify deeper case depth. Crane Wheel Spalling: Causes and Prevention Flat Spots Localized flat areas on the tread circumference caused by wheel skid during crane startup or braking. The sliding contact generates frictional heat that briefly softens the tread surface, which then cold-welds to the rail and tears away as the wheel begins rolling. Flat spots create an impact load each revolution that accelerates wear of the wheel, rail, and end truck structure. Remedy: check brake adjustment and drive wheel slip; replacement wheel specification unchanged if flat spots were caused by mechanical issues rather than material failure. Crane Wheel Flat Spots: Causes and Prevention Flange Wear Wear on the inner face of the wheel flange from lateral contact with the rail head or web. Indicates the wheel is being pushed against the rail by lateral forces — most commonly from runway misalignment, end truck skewing, or a wheel profile mismatch with the installed rail. If both flanges on the same end truck show wear on the same side, runway alignment is the likely cause. Remedy: address runway alignment; replacement wheel specification may include tighter flange-to-rail clearance review. Crane Wheel Failure Modes: Root Cause Analysis Overhead Crane Wheel Capabilities Parameter UTEC Capability Tread Diameter 6-inch to 48-inch Alloy Grade AISI 4140 (Class C–D standard), 4340 (Class D–F), 1045 (Class A–B) Tread Hardness 300–420 BHN (31–45 HRC) for Class C–D; to customer specification Tread Profiles Flat, tapered, single-flange, double-flange Bore Types Press-fit, thermal installation, keyed, bearing assembly Drive / Idler Both positions; drive bore matched to shaft specification CMAA Classes A through D standard; E and F available — see Ladle & Foundry page OEM Replacement To P&H, Demag, Konecranes, Whiting, and other major crane OEM specs Documentation Raw material chemistry, hardness reports, dimensional inspection Frequently Asked Questions What CMAA service classes do UTEC overhead crane wheels cover? UTEC manufactures overhead bridge crane wheels for CMAA Class A through Class F service. Class A (powerhouse and infrequent use) and Class B (light service, under 2 hours per day) typically use AISI 1045 or 4140 at lower hardness ranges. Class C (moderate service, approximately 50% of rated capacity) and Class D (heavy duty, 50–65% of working time, 5–10 starts per hour) are UTEC's most common overhead crane wheel specifications, using AISI 4140 hardened to 340–400 BHN. For Class E and F overhead crane service — uncommon in standard bridge cranes but found in mill cranes — see the Ladle & Foundry Cranes page. Can UTEC match an existing OEM overhead crane wheel by part number? In many cases, yes. UTEC maintains dimensional references for overhead crane wheels from P&H, Demag, Konecranes, Whiting, and other major crane builders. Provide the OEM part number and crane manufacturer name and UTEC will attempt to identify and quote a replacement. Where the part number is not in UTEC's reference library, the bore diameter and a photograph of the wheel face and side profile are typically sufficient to identify the specification. If neither approach resolves the specification, send UTEC photos and measurements of the worn wheel — no need to ship the part — for remote reverse engineering. What tread profile is standard for overhead bridge crane runway applications? The most common tread profile for overhead bridge crane runway wheels is flat tread, which provides the largest contact patch with the flat-head crane rail (ASCE 40, 60, 85, 104, or other standard sizes). Tapered tread is used in applications where self-centering guidance is desired — the taper creates a steering effect that reduces flange contact on straight runway sections. Single-flange and double-flange configurations are both used; the choice depends on the end truck design and whether single-flange paired wheels or double-flange independent guidance is specified. UTEC can manufacture any of these profiles to the rail and clearance requirements specified on the drawing. What documentation does UTEC provide with overhead crane wheels? UTEC's standard documentation package for crane wheels includes: complete raw material chemistry documentation (the actual chemical composition of the steel billet used, not just a nominal grade designation); Rockwell hardness test results taken at multiple positions on the tread; and a dimensional inspection report confirming tread diameter, bore diameter, keyway dimensions, and overall width against the drawing. If your application requires supplementary documentation — heat treat certifications, NDE inspection, material traceability to ASTM specifications — specify this at order placement. UTEC can accommodate most quality documentation requirements. Related Technical Reference Rail Compatibility Rail Compatibility ASCE rail standards, rail head width vs. tread width, gauge tolerances for overhead crane systems. Service Classes CMAA Service Classifications Explained Class A through F — duty cycles, starts per hour, load spectrum, and material implications. Flange Design Flange Design & Specifications Double-flange vs. single-flange configurations, flange height standards, clearance calculations. More Crane Wheel Pages Request a Quote for Overhead Crane Wheels Tell us your alloy grade, hardness requirement, dimensions, and quantity — or send photos and measurements of your worn wheel. UTEC responds within one business day. Get a Quote Last updated: April 2026 --- ## Gantry & Portal Crane Wheels — 48-Inch Diameter URL: https://utec.co/solutions/steel-crane-wheels/gantry-cranes/ Description: Custom alloy steel wheels for gantry cranes, portal cranes, and rail-mounted outdoor systems. Up to 48-inch turning capacity. AISI 4140/4340, in-house induction hardening. Ships throughout North America. Gantry & Portal Crane Wheels — Up to 48-Inch Diameter Custom alloy steel wheels for full-gantry, semi-gantry, and portal crane applications. UTEC Industrial's 48-inch turning capacity handles the largest gantry wheels in standard industrial service. Manufactured to drawing, OEM specification, or reverse-engineered from worn samples. Ships throughout North America. Get a Quote Rapid Replacement For Oversized Gantry Wheels That Other Shops Decline — Call UTEC UTEC's Mazak and Monarch CNC lathes handle turning up to 48 inches in diameter and 60 inches in length. Most smaller machine shops have turning capacity limited to 24–30 inches — wheels above this range require either a large-capacity job shop or a specialist. UTEC is that specialist. If a supplier has turned down your gantry wheel order because it exceeds their turning capacity, call UTEC: (509) 922-1832. Gantry and Portal Crane Wheel Requirements Gantry cranes differ from overhead bridge cranes in that the crane structure runs on ground-level rails rather than an elevated runway, and the wheels must carry the full weight of the bridge girder and its live load through the legs to the rail. This produces higher static wheel loads than a comparable overhead crane, and often requires larger wheel diameters to reduce contact stress on the rail head. Full-gantry cranes have two legs running on parallel ground rails; semi-gantry cranes have one leg on a ground rail and the other on an elevated runway; portal cranes are similar to full gantry but typically used outdoors in marine and shipyard applications. The outdoor environment introduces considerations that indoor overhead crane wheels do not face: moisture and salt exposure, temperature cycling, and contamination from rain-washed rail surfaces. For coastal and marine applications, AISI 4340 is preferred over 4140 — its higher alloy content provides better resistance to stress corrosion in the hardened case. Double-flange configurations are standard for most outdoor gantry applications because the lateral forces from wind and grade variations require positive guidance on both sides of the rail. UTEC manufactures gantry crane wheels from 6-inch diameter up to 48 inches. For wheels at the upper end of this range, the in-house induction hardening process is adjusted to achieve adequate case depth relative to the larger wheel section — larger wheels require longer heating time and adjusted quench timing to achieve the same case-to-core hardness profile as a smaller wheel. Gantry Crane Wheel Capabilities Parameter UTEC Capability Maximum Diameter 48 inches Maximum Length 60 inches Alloy Grade AISI 4140 (standard), 4340 (coastal/marine or Class E–F), 1045 (light duty) Tread Hardness 50–58 HRC (345–620 BHN); to customer specification Tread Profiles Flat, double-flange (standard for gantry), single-flange, custom Bore Types Press-fit, thermal installation, keyed, bearing assembly Rail Compatibility To ASCE rail or customer rail specification CMAA Classes B through E; Class F available OEM Replacement To drawing, part number, or worn sample Documentation Raw material chemistry, hardness reports, dimensional inspection Frequently Asked Questions What is the maximum gantry crane wheel diameter UTEC can manufacture? UTEC can manufacture gantry crane wheels up to 48 inches in diameter and 60 inches in length on its Mazak and Monarch CNC lathes. Most standard industrial gantry crane wheels fall in the 18–36 inch range; wheels above 36 inches are less common but not unusual in large shipyard portal cranes, transfer crane applications, and heavy industrial gantry systems. If your wheel diameter exceeds 48 inches, contact UTEC — for exceptional cases, alternative manufacturing approaches may be available. What alloy is recommended for outdoor or coastal gantry crane service? For outdoor gantry cranes in temperate or dry climates, AISI 4140 is the standard specification for Class C and D service — the same as indoor overhead cranes. For coastal environments with salt spray, marine terminals, shipyards, and other corrosive outdoor settings, AISI 4340 is preferred. The nickel-chromium-molybdenum chemistry of 4340 provides better resistance to stress corrosion cracking in the hardened martensitic case, where 4140 can be susceptible to hydrogen embrittlement and stress corrosion in salt-rich environments under sustained contact stress. 4340 also provides superior toughness in low-temperature service, which matters for outdoor cranes in northern climates. Why is double-flange the standard for outdoor gantry applications? Outdoor gantry cranes are subject to lateral forces that indoor bridge cranes are not: wind load on the crane structure and any load it is carrying, grade variations in ground-level rail installations, and thermal expansion differences between the two rail lines (which run in different solar exposures). These forces push the crane against the rail lateral, and without positive guidance on both sides of the rail, the wheel would ride up and over the rail under sufficient lateral load. Double-flange provides positive engagement on both sides, ensuring the wheel stays on the rail regardless of the direction of lateral force. For semi-gantry applications with one leg on a runway, the runway end truck is typically double-flanged while the ground-rail end truck may be single-flange, depending on the lateral guidance design. Can UTEC manufacture a replacement for a gantry wheel when the only input is a worn sample? Yes — the reverse engineering process is the same for gantry wheels as for any other crane wheel type. The key additional consideration for large-diameter gantry wheels is tread diameter estimation when the tread is uniformly worn: UTEC uses the crane's rated capacity and rail gauge combined with standard gantry crane design practice to reconstruct the original wheel diameter within the nearest standard size increment. Send UTEC photos and measurements — no need to ship the part. The reconstructed drawing is sent to the customer for approval before machining begins. Call (509) 922-1832 or use the contact form to start the process. Technical Resources Application Gantry & Portal Cranes — Technical Reference Wheel configurations, rail systems, and duty cycle considerations for gantry and portal crane applications. Rail Rail Compatibility ASCE rail standards, rail head width vs. tread contact, gauge tolerances. Materials Materials & Alloy Selection Alloy grade comparison by service class and environment — including coastal and outdoor applications. Browse All Technical Articles Steel Crane Wheel Pages Request a Quote for Gantry Crane Wheels Tell us your alloy grade, hardness requirement, dimensions, and quantity — or send photos and measurements of your worn wheel. UTEC responds within one business day. Get a Quote Last updated: April 2026 --- ## Ladle & Foundry Crane Wheels — CMAA Class E/F URL: https://utec.co/solutions/steel-crane-wheels/ladle-foundry/ Description: UTEC manufactures severe-duty crane wheels for ladle cranes, foundry cranes, and Class E/F steel mill applications. AISI 4340, custom hardness specification, in-house induction hardening. NDE documentation available. Ladle & Foundry Crane Wheels — Class E and Class F Severe Duty UTEC Industrial manufactures severe-duty alloy steel crane wheels for ladle cranes, foundry bridge cranes, and CMAA Class E and F steel mill applications. AISI 4340 billet, in-house induction hardening to customer-specified Rockwell hardness, case depth to drawing. Full documentation including NDE available. Ships throughout North America. Get a Quote Full Capabilities → The Most Demanding Crane Wheel Application in Industry CMAA service classification is a duty cycle specification — it quantifies how hard a crane works relative to its rated capacity and how frequently. Class E (severe duty) is defined by cranes handling loads approaching rated capacity during 65–80% of working time, with 10–20 starts per hour. Class F (continuous severe duty) represents the most demanding category: steel mill cranes — ladle cranes, stripper cranes, soaking pit cranes — that operate continuously at or near rated capacity with starts exceeding 20 per hour. These cranes do not rest. They work every shift, every day, and their wheels accumulate load cycles that would represent years of service for a Class C overhead crane in a matter of months. Ladle cranes carry the entire weight of a ladle of molten metal — the ladle structure itself plus the liquid steel or aluminum. A full steel ladle in a large melt shop can weigh 300 tons or more. This load passes through the crane wheels to the runway rails, producing contact stresses at the wheel-rail interface that approach or exceed the fatigue limit of lower-alloy steels. Simultaneously, the ambient temperature at the melt floor — from radiant heat of the ladle and the surrounding furnaces — reduces the impact toughness of hardened steel and accelerates oxidation of unprotected surfaces. The wheel specification for Class F service must account for all of these simultaneously. The consequence of underspecifying a ladle crane wheel is not gradual degradation — it is sudden catastrophic failure in the worst possible environment. A spalled or cracked wheel tread on a crane carrying molten metal is a safety event, not a maintenance event. UTEC approaches Class E and F wheel specifications accordingly: the alloy grade, hardness, case depth, and documentation requirements are confirmed before manufacturing begins, and any ambiguity in the specification triggers a customer contact before production proceeds. Why AISI 4340 Is the Standard for Ladle and Foundry Service AISI 4340 differs from 4140 in one critical way: it contains 1.65–2.00% nickel in addition to the chromium and molybdenum that 4140 already carries. This nickel addition does two things. First, it significantly improves hardenability — 4340 produces a deeper, more uniform martensitic case in large-diameter wheel sections where 4140 may harden unevenly through a thick cross-section. Second, it improves toughness in the hardened condition — 4340 tempered to 50–55 HRC retains substantially higher Charpy impact energy than 4140 at the same hardness, which matters in the shock loading environment of a ladle crane operating at maximum starts per hour. Through-hardening — hardening the entire wheel cross-section to uniform high hardness — is not recommended for ladle crane service despite the high duty requirement. A fully through-hardened wheel is brittle: cracks initiate at stress concentrations and propagate rapidly. Induction surface hardening of the tread, combined with AISI 4340 for a tough core, produces the correct mechanical profile: hard where contact stress requires it, tough where impact resistance is needed. For CMAA Class F service at the upper end of the hardness range (370–420 BHN), alloy procurement confirmation is part of UTEC's pre-production process. UTEC provides the complete raw material chemistry — the actual quantified alloy composition — so the customer can verify that the steel's hardenability matches the requirement before wheels are delivered to a melt shop. Ladle & Foundry Crane Wheel Capabilities Parameter UTEC Capability Primary Alloy AISI 4340 (standard for Class E–F); 4140 available for Class C–D Turning Capacity Up to 48-inch diameter × 60-inch length Tread Hardness 370–420 BHN (40–45 HRC) for Class E–F; to customer specification Hardening Method In-house induction hardening — tread surface only, core preserved tough Case Depth Deeper specification available for Class F — confirm on drawing CMAA Classes E and F (ladle, foundry, mill service); A–D also available NDE Documentation Available on request — magnetic particle, ultrasonic per ASTM Raw Material Chemistry Complete chemical composition provided standard Hardness Documentation Rockwell test results at multiple tread positions Dimensional Inspection To drawing tolerances; report provided with shipment Frequently Asked Questions What CMAA service class covers ladle cranes? Most ladle cranes in active steel mill service are CMAA Class E (severe duty, 65–80% of working time at near-rated capacity, 10–20 starts per hour) or Class F (continuous severe duty — the highest CMAA classification, used for cranes in continuous production service with no meaningful idle time). The CMAA service class should be confirmed from the crane manufacturer's nameplate or original documentation. If the service class is unknown, UTEC can advise based on a description of the crane's duty cycle — daily hours of operation, typical load as a fraction of rated capacity, and starts per hour are sufficient to estimate the appropriate class. Why is AISI 4340 preferred over 4140 for Class E and F service? AISI 4340's nickel-chromium-molybdenum chemistry provides two advantages over 4140 in severe-duty service. First, superior hardenability: 4340 produces a deeper, more uniform hardened case in large-diameter wheel sections — sections above 30 inches in diameter that may harden inconsistently in 4140 harden predictably in 4340 due to better alloy depth. Second, higher toughness at equivalent hardness: when tempered to Class E/F hardness ranges (370–420 BHN), 4340 retains substantially higher Charpy impact energy than 4140, providing better resistance to the shock loading that occurs at high cycle rates on ladle cranes. The cost premium for 4340 over 4140 billet is typically 20–40% on raw material — easily justified against the cost of a premature failure on a ladle crane. Can UTEC provide NDE inspection documentation for ladle crane wheels? Yes. Non-destructive examination (NDE) — including magnetic particle inspection (MPI) for surface and near-surface discontinuities and ultrasonic testing (UT) for internal soundness — is available as a supplementary documentation option. Specify NDE requirements on the purchase order or drawing, including the applicable ASTM standard and acceptance criteria. Common NDE specifications for severe-duty crane wheels include ASTM E709 (magnetic particle) and ASTM E114 (ultrasonic). NDE is performed and documented before shipment; test reports are provided with the documentation package. If NDE is required to a customer-specific procedure rather than a published ASTM standard, contact UTEC before placing the order to confirm procedure availability. What case depth should be specified for Class F ladle crane service? For CMAA Class F service, a minimum tread case depth of 0.50 inches is generally appropriate for wheel diameters in the 24–36 inch range; larger wheels may require 0.60–0.75 inches. The case depth must be sufficient to contain the high-stress subsurface zone below the wheel-rail contact patch — subsurface fatigue cracks initiate at depths related to the Hertzian contact stress distribution, which depends on wheel diameter, load, and tread profile. If your application is at the upper end of Class F severity, UTEC recommends specifying case depth on the drawing rather than accepting a default value, and providing the wheel load and rail specification so UTEC can confirm the specified depth is adequate for the contact geometry. What is the typical replacement interval for Class F ladle crane wheels? Replacement interval for Class F ladle crane wheels varies significantly with load magnitude, starts per hour, rail condition, and wheel specification. As a general benchmark, well-specified 4340 wheels in active steel mill ladle crane service typically achieve 2–5 years before tread wear reaches the replacement threshold defined in CMAA Spec. #70. Wheels in particularly aggressive service — maximum load cycling, abrasive rail surface contamination, or elevated ambient temperature above 400°F — may require replacement in 12–24 months. Maintaining a spare wheel set at the facility and establishing a documented inspection interval (measuring tread diameter against the minimum tread diameter on the drawing) is the best practice for Class F cranes. UTEC can supply spare sets with any replacement order. Technical Resources Load Capacity Load Capacity & Service Classification CMAA Class A through F — duty cycles, starts per hour, and load spectrum definitions. Hardening Hardening Overview & Selection Guide When to specify induction hardening vs. through-hardening vs. case hardening for crane wheel service class. Application Ladle & Foundry Cranes — Technical Reference Wheel and material specifications for ladle, stripper, soaking pit, and foundry bridge crane applications. Explore Steel Crane Wheel Solutions Request a Quote for Ladle or Foundry Crane Wheels Send UTEC your drawing, CMAA service class, wheel load, and NDE requirements. UTEC responds within one business day. Get a Quote Last updated: April 2026 --- ## Transfer Car Wheels — V-Groove & Flat Tread URL: https://utec.co/solutions/steel-crane-wheels/transfer-cars/ Description: UTEC manufactures alloy steel wheels for shop floor transfer cars, ladle transfer cars, and embedded rail systems. V-groove and flat tread. Custom to drawing or reverse-engineered. Ships throughout North America. Transfer Car Wheels — V-Groove and Flat Tread Alloy steel wheels for shop floor transfer cars, ladle transfer cars, coil cars, and embedded rail systems. V-groove profiles for square and angle-iron embedded rail. Flat tread for elevated rail. Custom to drawing or reverse-engineered from worn samples. Ships throughout North America. Get a Quote Reverse Engineered Transfer Car Wheel Requirements — Different from Overhead Crane Wheels Transfer car wheels serve a fundamentally different duty than overhead crane end truck wheels. Where overhead crane wheels roll continuously under dynamic loads, transfer car wheels carry extreme dead loads — the weight of the car structure, any tooling or fixtures, and the payload — at very low speeds. A shop floor transfer car may travel only a few feet per minute while supporting tens of thousands of pounds. This produces high contact stress at low rolling velocity, a combination that favors tread hardness over toughness in the wheel specification. The rail type determines the wheel profile. Transfer cars running on elevated rail (channels or standard crane rail set on a structural frame) use flat tread or flanged wheels, the same as overhead crane end trucks. Transfer cars on embedded rail — where the rail is flush with the shop floor, typically fabricated from square bar, angle iron, or standard crane rail set in a concrete trench — use V-groove wheels. The V-groove engages the corner or crown of the rail, providing positive guidance without requiring flanges that would protrude above the floor surface. UTEC Industrial has manufactured transfer car wheels for primary-metals ingot-transfer systems and for lumber transfer applications. Both are production-critical systems where downtime is measured directly in lost throughput. UTEC's ability to reverse-engineer worn transfer car wheels without drawings — a common situation in older plants where original documentation no longer exists — has been the fastest path to a working replacement in most of these cases. V-Groove vs. Flat Tread — Choosing the Right Profile Feature V-Groove Flat Tread Rail type Embedded square bar, angle iron, or V-rail Elevated flat-head rail, channel, or standard crane rail Guidance method Rail corner engages groove — no flange required Flange on wheel contacts rail web or side Floor clearance Rail flush with floor; car can run over without tripping hazard Rail elevated; flanges hang below floor level Common applications Shop floor transfer cars, die transfer, ladle transfer Elevated rail transfer systems, cranes on runway Groove angle Typically 60° or 90° to match rail geometry N/A Tread hardness 50–58 HRC — contact stress is high at low speed 50–58 HRC for standard duty Detailed tread profile engineering: Wheel & Tread Types Ladle Transfer Cars — Severe Duty Near the Melt Shop Ladle transfer cars in steel mills and foundries present the most severe duty in the transfer car category. The wheel runs at low speed under extreme load — a full ladle of molten metal can weigh hundreds of tons — while exposed to spatter, radiant heat from the ladle, and corrosive gases from the melt. For ladle car service, UTEC specifies AISI 4340 rather than 4140. The nickel-chromium-molybdenum chemistry of 4340 provides superior toughness at elevated ambient temperatures and better resistance to the thermal cycling that occurs as the ladle car passes repeatedly near the melt. For complete coverage of CMAA Class E and F severe-duty specification, see the Ladle & Foundry Cranes page. Ladle & Foundry Crane Wheels Transfer Car Wheel Capabilities Parameter UTEC Capability V-Groove Angles 60°, 90°, and custom angles to drawing Flat Tread Width To customer specification Tread Diameter 6-inch to 48-inch Alloy Grade AISI 4140 (standard), 4340 (ladle car and severe duty), 1045 (light duty) Tread Hardness 50–58 HRC; to customer specification Bore Types Press-fit, thermal installation, keyed, bearing assembly Heavy-Load Bores Large interference fits for high dead-load applications — to drawing Rail Compatibility Square bar, angle iron, V-rail, standard crane rail — to customer rail spec Documentation Raw material chemistry, hardness reports, dimensional inspection Frequently Asked Questions What is the difference between V-groove and flat tread for transfer car wheels? V-groove wheels engage an embedded rail — typically square bar or angle iron set flush with the shop floor — using a machined groove on the wheel tread face. The groove profile matches the rail geometry (typically 60° or 90° V-angle) and provides positive lateral guidance without requiring flanges that would project above the floor surface. Flat tread wheels run on elevated rail (a standard crane rail or channel set on a structural frame), with flanges on the wheel providing lateral guidance as with overhead crane end trucks. V-groove is the standard for embedded-rail shop floor transfer cars; flat tread or flanged wheels are used when the rail is elevated. What rail type does a V-groove transfer car wheel work with? The most common V-groove rail configurations are: (1) square bar embedded in a concrete floor trench, where the V-groove engages two edges of the square section; (2) angle iron embedded with the corner pointing up, where the groove rides on the angle point; (3) machined V-rail, a dedicated rail section with a precisely ground V-profile for high-accuracy applications. The groove angle on the wheel must match the included angle of the rail profile — UTEC machines the groove to the customer's rail specification. If the existing rail geometry is unknown, sending a cross-section photograph or a 3D trace of the rail profile gives UTEC enough information to quote the correct groove geometry. Can UTEC manufacture replacement transfer car wheels without drawings? Yes — reverse engineering from worn samples is UTEC's standard path for transfer car wheel replacement when drawings are unavailable. Transfer car wheels are particularly well-suited to remote reverse engineering because the bore diameter and V-groove geometry are typically measurable from photos and measurements even when the tread face is heavily worn: the groove retains its profile until the tread is nearly consumed, and the bore is protected from wear. Send UTEC photos and measurements — no need to ship the part. UTEC will produce a drawing for customer approval before manufacturing. Call (509) 922-1832 or use the contact form to start the process. What alloy grade is recommended for ladle car service near a melt shop? AISI 4340 (nickel-chromium-molybdenum) is the standard recommendation for ladle transfer car applications in steel mill and foundry environments. The elevated ambient temperature near the melt shop reduces the toughness of the hardened martensitic case in lower-alloy steels like 4140; 4340's nickel content stabilizes toughness at elevated temperatures. Additionally, the extreme dead load of a full ladle car produces very high contact stress at the wheel-rail interface — 4340's superior hardenability ensures a deeper, more uniform hardened case that resists subsurface fatigue under these loads. Case depth specification for ladle car wheels should be reviewed relative to the contact stress calculation for the specific wheel diameter and load. Technical Reference Library Transfer Cars Transport Cars — Technical Reference Wheel configurations, V-groove and flat tread profiles, and rail system design for transfer cars. Tread Types Wheel & Tread Types V-groove, flat tread, tapered tread, and flanged configurations — selection criteria and engineering reference. Materials Materials & Alloy Selection AISI 4140 vs. 4340 for transfer car service — hardenability, toughness, and severe-duty considerations. Steel Crane Wheel Solutions Request a Transfer Car Wheel Quote Tell us your rail type, groove angle, wheel diameter, alloy grade, and quantity — or send photos and measurements of your worn wheel. UTEC responds within one business day. Get a Quote Last updated: April 2026 --- ## Crane Sheaves & Reeving Blocks — Alloy Steel URL: https://utec.co/solutions/steel-crane-wheels/sheaves/ Description: UTEC machines hardened alloy steel sheave wheels for crane hoisting systems and reeving blocks. Custom groove profiles, wire rope compatibility, in-house hardening. To drawing or reverse-engineered from worn samples. Crane Sheaves & Reeving Blocks Precision-machined alloy steel sheave wheels for crane hoisting systems, reeving blocks, and hydroelectric gate hoists. Custom groove profiles to wire rope diameter and fleet angle. In-house hardening to specified Rockwell value. To drawing or reverse-engineered from worn samples. Ships throughout North America. Get a Quote Reverse Engineered Sheaves vs. Running Wheels A crane sheave is a grooved wheel through which a wire rope or chain passes to change direction or multiply mechanical advantage in a hoisting system. Unlike a crane running wheel, which rolls along a rail surface and bears load through its tread, a sheave contacts only the wire rope in its groove — the groove profile, groove depth, and groove hardness are the critical dimensions rather than tread width or flange geometry. Groove wear is the primary failure mode for crane sheaves. As the wire rope passes repeatedly through the groove under tension and changes direction at each sheave, the rope and groove surface abrade each other. Proper groove geometry — matching the rope diameter with the correct groove radius — ensures the rope is supported across its full cross-section rather than contacting only the groove edges, which would accelerate both rope and sheave wear. Groove hardness affects wear rate: a sheave that is too hard will accelerate rope wear; one that is too soft will itself wear rapidly. The industry target is a sheave hardness slightly below the hardness of the wire rope's outer wires. UTEC Industrial machines sheave groove profiles to drawing specifications, including the groove radius relative to rope diameter, tread depth (the amount of material below the groove bottom), and any special features such as fleet angle compensation on multi-layer drum applications. The reverse engineering process for worn sheaves is similar to crane wheels: send UTEC photos and measurements — no need to ship the part — and UTEC reconstructs the groove profile from close-up photos of the unworn sections near the flanges, produces a drawing, and manufactures the replacement. Groove Profile and Hardness Specification Groove Profile Must Match Wire Rope Diameter The groove radius should be 6–8% larger than the nominal wire rope radius — this provides full bedding of the rope in the groove without pinching or edge loading. Too tight a groove constricts the rope and accelerates rope wear; too wide a groove concentrates load on the center strands. Always specify the groove profile relative to the wire rope diameter on the sheave drawing. UTEC machines grooves to the tolerances stated on the drawing. Hardness Guidance Application Typical Hardness Notes Standard crane hoisting 321–375 BHN (34–40 HRC) Softer than running wheels; protects wire rope High-cycle hoist service 340–375 BHN (36–40 HRC) Upper range for extended groove life Hydroelectric gate hoist To drawing; often 300–340 BHN Low cycle rate — groove life less critical than rope compatibility Heavy-lift reeving blocks 350–400 BHN (37–43 HRC) Higher hardness where groove wear rate is dominant failure mode Customer specified Any achievable value UTEC hardens in-house to specified Rockwell value Where UTEC Sheaves Are Used Overhead Crane Hoisting Systems Sheave blocks in overhead crane hoist drums — both the hook block and the upper (headroom) block. UTEC machines to the dimensional specification of the existing sheave or the drawing, including shaft bore, overall width, and groove profile. Hydroelectric Gate Hoists Dam gate and penstock hoist systems use large-diameter, low-cycle sheaves that must maintain groove geometry over decades of service. UTEC produces replacement sheaves for hydroelectric applications from worn samples when original documentation is unavailable — common on older installations. See the Hydroelectric industry guide at the resource center. Reeving Blocks and Multi-Part Lines Multi-sheave reeving blocks for heavy lift require matched groove profiles across all sheaves in the block. UTEC can supply complete sheave sets for a reeving block assembly with matched dimensions, ensuring consistent rope behavior across all sheaves in the system. Sheave Capabilities Parameter UTEC Capability Alloy Grade AISI 4140 (standard), 4340 (severe duty or large diameter) Sheave Diameter 6-inch to 48-inch Groove Profile To wire rope diameter and drawing specification Groove Angle Standard and custom — to drawing Hardness Range 300–420 BHN (31–45 HRC); softer ranges available to specification Bore Types Press-fit, keyed, bearing assembly Custom Features Fleet angle compensation, multi-groove profiles, flanged rim — to drawing Reverse Engineering From worn samples — groove profile reconstructed from unworn sections Documentation Raw material chemistry, hardness reports, dimensional inspection Frequently Asked Questions What is the difference between a crane wheel and a sheave? A crane running wheel rolls along a rail surface to support and move the crane structure. Its critical dimensions are tread diameter, tread width, flange geometry, and bore. A crane sheave is a grooved pulley through which a wire rope passes; it does not roll along a rail but rotates about a fixed shaft, redirecting the rope and multiplying force in a reeving system. The critical dimensions are the groove profile (radius, depth, width), shaft bore, and overall width. Both are machined from alloy steel billet and induction hardened in-house at UTEC; the specifications and design intent are different. How is a sheave groove profile specified? The groove profile is specified by: (1) groove radius — typically 6–8% larger than the nominal wire rope radius; (2) groove depth — usually 1.5× the rope radius to ensure adequate rope bedding; (3) groove angle (the included angle of the groove walls) for the type of groove (circular, trapezoidal, or otherwise); and (4) any special features like fleet angle or rope lead adjustments. These dimensions should appear on the drawing. If you are specifying a sheave to match an existing wire rope, provide the rope manufacturer's nominal diameter and the sheave drawing; UTEC will confirm that the groove geometry is compatible. If the existing sheave is worn and no drawing is available, UTEC measures the groove geometry from the unworn sections and produces a drawing for approval. Should sheave hardness be higher or lower than the wire rope outer wire hardness? Sheave hardness should be lower than the hardness of the wire rope's outer wires — the sheave is intended to be the sacrificial element in the contact pair, wearing in preference to the wire rope, which is more expensive and difficult to replace. In practice, for general industrial crane hoisting with standard 6×19 or 6×37 wire rope, a sheave hardness of 321–375 BHN (34–40 HRC) is appropriate. Higher sheave hardness than the rope's outer wires accelerates rope wear and can cause rapid fatigue of the rope's outer strands at the sheave contact point. If the sheave is significantly softer than the rope (below 280 BHN), groove wear becomes the life-limiting factor and replacement intervals shorten. The balance point between groove life and rope life is typically at 321–370 BHN for standard wire rope grades. Can UTEC reverse-engineer a worn sheave from a sample? Yes — the reverse engineering process for sheaves is the same as for crane wheels. Send UTEC photos and measurements — no need to ship the part. UTEC reconstructs all critical dimensions from submitted documentation — bore, overall width, flange OD, and groove profile from close-up photos of the unworn sections near the flanges, which typically retain the original profile even when the groove bottom is worn. A dimensioned drawing is produced and sent for customer approval before manufacturing. Technical Resources Sheaves Sheaves & Reeving Blocks — Technical Reference Groove profiles, wire rope compatibility, reeving arrangements, and sheave selection criteria. Industry Hydroelectric — Industry Guide Dam gate hoists, powerhouse overhead cranes, and penstock maintenance applications for sheaves and crane wheels. Failure Modes Failure Modes & Replacement Groove wear, rope fatigue at sheave contact, and replacement strategy for crane hoisting components. Request a Sheave Quote Send UTEC your drawing, wire rope diameter, and groove profile specification — or send photos and measurements of a worn sheave for remote reverse engineering. We respond within one business day. Get a Quote Last updated: April 2026 --- ## Rapid Replacement Crane Wheels — Ships North America URL: https://utec.co/solutions/steel-crane-wheels/replacement-wheels/ Description: Crane down? UTEC machines replacement alloy steel crane wheels from billet stock and ships throughout North America. Send a part number, worn sample, or description — we respond within one business day. Replacement Crane Wheels — Fast Turnaround from Billet Stock When a crane goes down, lead time matters. UTEC Industrial maintains alloy steel billet stock in AISI 4140 and 4340 and begins machining replacement wheels without waiting on material procurement. Ships throughout the United States, Canada, and Mexico from Spokane Valley, WA. Request a Replacement Quote Send a Worn Wheel What to Send UTEC for a Replacement Quote A Part Number or OEM Reference If you have the crane OEM's wheel part number — P&H, Demag, Konecranes, Whiting, or others — a UTEC engineer will identify the dimensional specification and provide a replacement quote. UTEC maintains dimensional references for major crane manufacturers and can often quote directly from a part number without requiring a drawing. A Description or Dimensions Wheel diameter, bore diameter, tread profile (flat, flanged, V-groove), and alloy grade if known. A photograph of the wheel face and side is helpful. UTEC will ask clarifying questions if needed — a complete description is not required to get the process started. Photos & Measurements of a Worn Wheel No documentation at all? Send UTEC photos from multiple angles and key measurements — bore diameter, overall width, and any readable OD. No need to ship the part. UTEC reconstructs the geometry from your submission, produces engineering drawings for your approval, and manufactures exact-fit replacements. Reverse Engineering Process → In-Stock Billet Means We Can Start Today Most crane wheel manufacturers quote lead times that include material procurement — weeks spent waiting for billet before machining even begins. UTEC eliminates that delay by maintaining alloy steel billet stock in AISI 4140 and 4340, the two grades that cover the majority of industrial crane wheel applications. When you place an order for a standard alloy, production can begin the same day. In-house induction hardening further compresses the timeline. There is no subcontractor handoff between machining and heat treatment — UTEC hardens, tests, and inspects every wheel under one roof in Spokane Valley. The result is a replacement wheel manufactured from raw billet to finished, hardened, inspected product without leaving UTEC's facility. Ships Throughout the United States, Canada, and Mexico UTEC ships replacement crane wheels throughout North America — United States, Canada, and Mexico. Orders are manufactured in Spokane Valley, Washington and ship by common carrier or expedited freight based on your timeline. Buyers in the Pacific Northwest benefit from shorter freight runs, but UTEC supplies customers from coast to coast on the same terms. Emergency freight is available for active downtime situations. Call now for lead time and availability: (509) 922-1832 What UTEC Can Replace Capability Specification Tread Diameter 6-inch to 48-inch Alloy Grades AISI 1045, 4140, 4340, 8620 — 4140 and 4340 in stock Tread Hardness 50–58 HRC standard; other values to customer specification Hardening Method In-house induction hardening — no subcontracting Tread Profiles Flat, tapered, single-flange, double-flange, V-groove, custom Bore Types Press-fit, thermal installation (shrink-fit), keyed, bearing assembly Input Accepted OEM part number, engineering drawing, dimensions, worn sample, photograph Documentation Raw material chemistry, hardness test reports, dimensional inspection Ships To United States, Canada, Mexico Frequently Asked Questions What is UTEC's typical lead time for replacement crane wheels? Lead time depends on wheel diameter, alloy grade, and current shop load. For standard alloy grades in UTEC's billet inventory (AISI 4140 and 4340), production can begin immediately upon receipt of a complete drawing or approved reverse-engineered dimensions. Expedited production is available for emergency downtime situations. Call (509) 922-1832 with your wheel specification and UTEC will provide a current lead time estimate — this is the fastest path to an accurate answer, as shop load changes daily. What information do I need to provide to get a replacement quote? The minimum information needed is: outside diameter (or bore diameter if the tread is too worn to measure reliably), bore diameter, tread profile (flat, flanged, or V-groove), and overall wheel width. Alloy grade and hardness specification are needed to confirm material — if unknown, UTEC can advise based on service class and crane duty cycle. If you have a part number, drawing, or photograph, send those as well. A worn wheel is the most complete input — UTEC measures everything from the physical sample. Can UTEC match an existing wheel if I only have the OEM part number? In many cases, yes. UTEC maintains dimensional references for wheels from major crane manufacturers including P&H, Demag, Konecranes, Whiting, and others. Provide the OEM part number and crane manufacturer name and UTEC will attempt to identify the dimensional specification. Where UTEC's reference library does not contain the specific part number, the fastest path is to provide a photograph and the bore diameter — UTEC can often identify the likely specification from these inputs combined with the crane's rated capacity. Does UTEC ship replacement wheels to customers outside the Pacific Northwest? Yes. UTEC ships crane wheels throughout the United States, Canada, and Mexico. Regular customers include facilities in California, Texas, the Gulf Coast region, the Midwest, and the East Coast. Shipping method is coordinated with the customer based on timeline requirements — standard common carrier for non-emergency orders, expedited freight when downtime is active. UTEC's Spokane Valley location provides a freight advantage for Pacific Northwest buyers, but there is no geographic restriction on UTEC's customer base. What if my crane wheel has no drawing or part number — just a worn wheel? Send UTEC photos and measurements — no need to ship the part. Photos from multiple angles (face, side, bore end, any unworn surfaces) plus bore diameter, overall width, and any readable OD are enough to start the reverse engineering process. UTEC reconstructs the geometry from your submission, produces a dimensioned drawing for your approval, and manufactures exact-fit replacements. See the full process on the Reverse Engineering page. Request a Replacement Quote — We Respond Within One Business Day Send UTEC your part number, dimensions, photographs, or measurements of a worn wheel. We will confirm lead time and begin production as fast as your situation requires. Get a Quote Last updated: April 2026 --- ## Reverse-Engineered Crane Wheels — No Drawing URL: https://utec.co/solutions/steel-crane-wheels/reverse-engineered/ Description: No drawing? No problem. Send UTEC photos, measurements, and specifications of your worn crane wheel. Our engineers reconstruct the geometry remotely, produce new engineering drawings, and manufacture exact-fit replacements. Reverse-Engineered Crane Wheels — No Drawing, No Shipping Required. No drawing. No part number. No shipping. Send UTEC photos, measurements, and any available specifications — our engineers start the same day, collaborate directly with you on the drawing, and manufacture exact-fit replacements. Submit Details — Get a Quote Have a Drawing? → Custom to Drawing Starts the Same Day No packaging. No carrier scheduling. No transit time. When a crane is down, submitting photos and measurements digitally gets UTEC engineers working immediately — not after a multi-day freight delay. Direct Collaboration UTEC engineers work directly with you — reviewing documentation, asking targeted follow-up questions, and sending the completed drawing for your approval before any machining begins. You stay in the loop at every step. More Information, Not Less Photos from multiple angles often reveal wear patterns and context that a single physical sample cannot — including the crane environment, rail condition, and adjacent components. Written specifications eliminate ambiguity about alloy grade, service class, and hardness requirements. How UTEC Reverse Engineers a Crane Wheel 1 Submit Photos, Measurements & Specifications Email photos and measurements to UTEC, or call (509) 922-1832. Photos needed: face view, side profile, bore end, and any unworn surfaces. Measurements to take: bore diameter (most critical — measure carefully with calipers), overall width, and any readable OD. Context that helps: crane make, model, rated capacity, duty cycle, and photos of any OEM data plates. No need to ship the part — heavy industrial wheels can stay on-site. 2 Engineering Review & Follow-Up UTEC engineers review the submitted photos and measurements. Wear patterns are analyzed — not just current dimensions, but where and how the wheel failed. Uniform tread wear is different from premature spalling, flange-only wear, or fretting corrosion at the bore. If any dimension is unclear or a critical measurement is missing, UTEC will contact you with a specific, targeted question. Most submissions resolve in one or two exchanges. 3 Dimensional Measurement All critical geometry is reconstructed from the submitted photos and measurements: outside diameter (estimated if uniformly worn — see FAQ below), bore diameter and length, hub face-to-face width, tread face width, flange height on each side, flange angle from unworn inner face surfaces, keyway width and depth, and any custom features. Bore diameter is typically the most reliable reference dimension — it is protected from service wear and usually reflects the original specification exactly. 4 Specification Review Material and hardness are reviewed against the observed wear pattern. If the tread shows early spalling at a consistent depth, UTEC evaluates whether the original case depth was adequate for the service class. If flange wear outpaces tread wear, UTEC considers whether a tread profile or flange geometry correction would extend service life in the replacement. UTEC contacts the customer before manufacturing begins — any proposed improvement is confirmed, not assumed. 5 Engineering Drawing Produced A formal dimensioned drawing is produced from the measurements and the customer-confirmed specification. The drawing is sent to the customer for review and approval before any machining begins. This step gives the customer the opportunity to correct any dimension that conflicts with their own records or institutional knowledge of the crane. 6 Manufacture and Harden CNC machining on Mazak or Monarch lathes to ±0.001 inch on tread diameter and bore. Tread and flange profiles machined to the approved drawing. In-house induction hardening to the specified Rockwell value, with tempering immediately after quench. Rockwell hardness tested at multiple points on the tread circumference and across the tread width before acceptance. 7 Ship with Full Documentation Finished wheels ship with complete documentation: the engineering drawing produced in step 5, raw material chemistry documentation, hardness test results, and dimensional inspection report. Customers receive a permanent engineering drawing they can use for all future replacement orders — no repeat reverse engineering required. UTEC Doesn't Just Copy a Worn Wheel. It Improves On What Failed. When a crane wheel wears out, the wear pattern is a diagnostic. Tread spalling at a consistent depth often indicates the original induction-hardened case was too shallow for the actual service class — not enough case depth means the high-stress zone beneath the contact patch reaches the case-core interface, initiating subsurface fatigue cracks. Flanges wearing faster than the tread suggest lateral guidance issues or a tread-to-rail geometry mismatch that will wear out the replacement just as fast unless corrected. UTEC engineers read the worn wheel before they quote the replacement. If the original specification was inadequate, UTEC proposes an improvement and explains the reasoning. The customer decides — but UTEC will always raise it. Root cause analysis guide → Crane Wheel Failure Modes: Root Cause Analysis Frequently Asked Questions How do I submit a worn crane wheel for reverse engineering? Send photos and measurements to UTEC — no need to ship the part. Photos needed: face view of the tread and flange, side profile, bore end view, and close-ups of any unworn surfaces (typically the bore area and inner flange faces). Include a scale reference in at least one photo. Measurements: bore diameter (inside, with calipers), overall width face-to-face, and any readable outside diameter on an unworn surface. If a keyway is present, its width and depth. Context: crane make and model, rated capacity, service class if known, and photos of any OEM data plates. Email or call (509) 922-1832 — UTEC will follow up within one business day. How long does the reverse engineering process take from submission to shipment? Because there is no shipping delay for the worn part, the process starts immediately. The drawing step typically takes one to two business days from receipt of photos and measurements. Drawing approval by the customer adds time depending on the customer's review cycle — UTEC will send the drawing as soon as it is complete and ask for approval or feedback. Production lead time after drawing approval depends on wheel diameter, alloy grade, and current shop load. Call UTEC with your timeline and they will give a current estimate for your specific wheel. What photos and measurements do I need to submit? Photos from at least four angles: (1) face-on view of the tread and flange; (2) side profile; (3) bore end view; (4) close-up of the inner flange face or any surface that is unworn. Include a scale reference (ruler or tape measure) in at least one photo. Measurements: bore diameter (inside, with calipers), overall width face-to-face, and any readable outside diameter on an unworn surface. If a keyway is present, its width and depth. Photos of any OEM data plates or markings are helpful. Send whatever you have — UTEC engineers will work with the available documentation and follow up with specific questions if needed. How is tread diameter estimated when the worn wheel has no unworn tread surface? For uniformly worn wheels where the entire tread surface has worn below the original diameter, UTEC uses three methods that typically converge: first, working backward from the crane's rated capacity and end truck geometry using the CMAA wheel load formula to determine the minimum wheel diameter the original designer would have specified; second, comparing with standard crane wheel sizes for the crane's manufacturer and approximate vintage; third, the bore-to-flange-face proportion, which follows standard hub geometry relative to wheel diameter. In most cases at least two of these agree, giving high confidence in the original diameter. The reconstructed drawing is sent to the customer for approval before machining — if the customer has any conflicting information (an old maintenance record, OEM manual, or photograph of the nameplate), that is the time to provide it. Can UTEC reverse-engineer a single wheel, or is there a minimum order quantity? UTEC accepts single-wheel orders for reverse engineering. There is no minimum quantity above one wheel for this service. If the crane uses multiple identical wheels (all four end truck wheels, for example) and the submitted photos represent all four, UTEC recommends ordering all matching wheels in the same production run — the dimensional accuracy will be consistent, and the production setup cost is spread across the batch. But if only one wheel failed and the others are serviceable, a single replacement is the right order. What if I have two worn wheels from the same crane — should I photograph both? Photograph the wheel in worse condition first — it will typically show the full spectrum of wear and give UTEC the most information for the specification review. If one wheel has different wear from the other (for example, the drive wheel versus the idler), photograph both and submit all images. Different wear patterns on paired wheels can indicate misalignment, unequal loading, or a specification difference between drive and idler positions that the replacement specification should address. Related Technical Reference Reverse Engineering Reverse Engineering a Crane Wheel from a Worn Sample Measurement process, accuracy achievable, and how wear patterns inform replacement specification. Failure Modes Crane Wheel Failure Modes: Root Cause Analysis How to read what a worn wheel is telling you — spalling, flat spots, flange wear, and fretting corrosion at the bore. More Crane Wheel Pages Get a Quote — No Drawing, No Shipping Required Send UTEC photos, measurements, and any available specifications — our engineers will reconstruct the geometry, produce engineering drawings for your approval, and manufacture exact-fit replacements. No transit delays. Starts the same day. Call (509) 922-1832 or use the contact form. Contact UTEC Last updated: April 2026 --- ## Custom Crane Wheels to Drawing — Alloy Steel URL: https://utec.co/solutions/steel-crane-wheels/custom-to-drawing/ Description: UTEC manufactures custom alloy steel crane wheels to your engineering drawing or OEM specification. You specify the alloy grade and tread hardness. In-house induction hardening. Ships throughout North America. Custom Crane Wheels — Your Alloy Grade. Your Hardness Specification. UTEC Industrial manufactures crane wheels to customer engineering drawings, OEM part numbers, or detailed written specifications. Alloy grade and tread hardness are selected to your requirements — not chosen from a catalog. Precision-machined to ±0.001 inch, hardened in-house, shipped throughout North America. Submit a Drawing for a Quote No Drawing? → Reverse Engineering You Specify the Alloy. You Specify the Hardness. UTEC is not a distributor stocking crane wheels in one alloy at one hardness and shipping from a warehouse. Every wheel UTEC produces is manufactured from scratch to the customer's chemical and hardness specification. If your CMAA Class D overhead crane calls for AISI 4140 billet hardened to 52 HRC, that is what UTEC produces. If your Class F ladle crane requires AISI 4340 with a 0.5-inch minimum case depth at 55 HRC, UTEC procures the 4340 billet, machines to your drawing, and hardens in-house to the specified value. This is not a special capability or an upcharge option — it is UTEC's standard operating mode. Approximately 90% of UTEC's crane wheels are produced to customer drawings or specifications. UTEC provides complete raw material chemistry documentation with every order, confirming the actual chemical composition of the steel used rather than a nominal grade designation on an invoice. UTEC accepts specifications in any form — a formal engineering drawing, an OEM part number, a written specification sheet, or a phone conversation with your engineering team. There is no single required format. How to Specify Your Wheel Engineering Drawing Send UTEC a dimensioned drawing with material callouts, tolerance requirements, and hardness specification. Accepted formats: DXF, PDF, STEP, IGES, or a dimensioned paper sketch. Inch or metric dimensions accepted. UTEC reviews the drawing, confirms all callouts are complete, and provides a quote within one business day. If any specification gap would affect manufacturing — missing bore tolerance, unspecified keyway, omitted tread profile — UTEC flags it before quoting rather than making assumptions. OEM Part Number Provide the crane OEM's wheel part number and the manufacturer name. UTEC maintains dimensional references for wheels from P&H, Demag, Konecranes, Whiting, and other major crane builders and can manufacture to OEM dimensional specification without the customer needing to supply a drawing. Where UTEC's reference library does not contain the specific part number, a bore dimension and wheel photograph are typically sufficient to identify the specification and quote. Performance Specification Provide the functional requirements: wheel diameter, bore diameter and fit type, tread profile, CMAA service class, alloy preference, and target Rockwell hardness. UTEC engineers will review the specification for completeness and advise on any gaps — for example, confirming whether the specified alloy achieves the required case depth at the required hardness for the stated service class. Quote provided within one business day of receiving a complete specification. Choosing the Right Alloy for Your Application The alloy grade determines the ceiling on achievable tread hardness, the depth of the induction-hardened case, and the wheel's resistance to subsurface fatigue under cyclic loading. If you are replacing a failed or underperforming wheel, UTEC can review the original specification and worn sample and recommend an alloy upgrade if the failure mode indicates the original material was inadequate for the duty. Alloy Best For Tread Hardness Range Notes AISI 1045 Standard duty, CMAA Class A–B 54–58 HRC surface; shallow case Cost-effective for light service; limited hardenability AISI 4140 Heavy duty, CMAA Class C–D 50–55 HRC; case depth 0.25–0.50 in Most common grade for general industrial crane wheels AISI 4340 Severe duty, CMAA Class E–F 50–55 HRC; superior case depth uniformity Nickel addition improves toughness; preferred for ladle and high-impact service AISI 8620 Case-hardening applications Hard case, tough core Used in drive wheels subject to torsional stress Materials Alloy Steel Grades for Crane Wheels Compare AISI 1045, 4140, 4340, and 8620 — hardenability, service class matching, chemistry documentation. Crane Wheel Capabilities Capability Specification Raw Material AISI 1045, 4140, 4340, 8620 — 4140 and 4340 maintained in billet stock Turning Capacity Up to 48-inch diameter × 60-inch length Machining Tolerance ±0.001 inches on tread diameter and bore Tread Hardness 50–58 HRC standard; to customer specification Hardening Method In-house induction hardening — no subcontracting Case Depth To drawing specification; typical 0.25–0.75 inches Tread Profiles Flat, tapered, single-flange, double-flange, V-groove, custom Bore Types Press-fit, thermal installation, keyed, bearing assembly — to IT6/IT7 tolerance Drawing Formats DXF, PDF, STEP, IGES, paper/sketch, inch or metric Documentation Complete raw material chemistry, hardness test reports, dimensional inspection Ships To United States, Canada, Mexico Frequently Asked Questions What file formats does UTEC accept for crane wheel drawings? UTEC accepts DXF, PDF, STEP, and IGES electronic files, as well as dimensioned paper drawings or hand sketches with clear callouts. Inch and metric dimensions are both accepted. If your drawing was originally in a format you cannot export — for example, a legacy CAD system or a paper original — a clear photograph or scan with key dimensions legible is a workable starting point. UTEC will identify any missing dimensions or callouts and ask for clarification before quoting. Can UTEC manufacture crane wheels to metric dimensions? Yes. UTEC produces crane wheels to metric dimensional specifications, including bore diameters in ISO fit designations (H7, f7, etc.), tread widths and diameters in millimeters, and keyway dimensions to DIN or ISO standards. If your drawing mixes inch and metric dimensions — common on older crane equipment — call UTEC to confirm the drawing is unambiguous before quoting. What Rockwell hardness values can UTEC achieve with in-house induction hardening? For AISI 4140, UTEC can achieve tread surface hardness in the range of 50–58 HRC with case depths of 0.25–0.50 inches. For AISI 4340, the same hardness range is achievable with more uniform hardness distribution through thicker sections and case depths up to 0.75 inches for larger-diameter wheels. For AISI 1045, maximum achievable surface hardness is approximately 56–58 HRC but with a shallow case that drops off rapidly below 3/8 inch. Tread hardness above 58 HRC can increase brittleness and is generally not specified for crane wheel service; UTEC will flag any hardness specification that exceeds typical practice for the stated alloy and service class. Can UTEC manufacture a wheel to a different alloy than the original OEM specification? Yes, with customer approval. Alloy upgrades — from 1045 to 4140, or from 4140 to 4340 — are appropriate when the original specification was inadequate for the actual service class, when the crane has been reclassified to higher duty since original specification, or when failure analysis of the old wheel indicates subsurface fatigue or insufficient case depth. UTEC can review the original specification, the observed failure mode, and the current duty cycle and recommend the appropriate upgrade. Any change from the original OEM specification is confirmed with the customer before manufacturing. What is the minimum order quantity for custom crane wheels? UTEC does not publish a minimum order quantity for crane wheels. Single wheels, pairs, and complete end truck sets are all accepted. For very small-diameter wheels (under 8 inches) or unusual profiles, contact UTEC to confirm applicability — the minimum practical lot size may be one wheel, or it may be two if tempering batch requirements make a single wheel uneconomical. For standard overhead crane wheel diameters (12–30 inches) in common alloy grades, there is no practical minimum order quantity above one wheel. Explore All Crane Wheel Solutions Submit a Drawing or Specification for a Quote Send UTEC your drawing, OEM part number, or written specification. UTEC responds within one business day with a quote and any clarifying questions. Email Drawing — Get a Quote Last updated: April 2026 --- ## Industrial Material Handling Systems URL: https://utec.co/solutions/industrial-material-handling-systems/ Description: UTEC Industrial designs, engineers, and manufactures custom heavy industrial and aerospace material handling and systems automation equipment from our 25,000 sq ft facility in Spokane, WA. Industrial Material Handling Systems UTEC Industrial designs, engineers, and manufactures custom heavy material handling and systems automation equipment for aerospace, defense, lumber, aluminum, and steel industries — all from our 25,000 sq ft facility in Spokane, WA. Get a Quote View Capabilities Turnkey Material Handling Solutions UTEC builds complete material handling systems from concept through commissioning. Every project is engineered, fabricated, machined, assembled, and tested under one roof — eliminating coordination delays and quality gaps that come with multi-vendor projects. What We Build UTEC manufactures automated conveyor systems, positioning cranes, transfer cars, ingot handling equipment, lumber stackers, satellite deployment testing systems, and custom process automation equipment. Our systems handle loads from 500 lbs to over 500,000 lbs in continuous-duty industrial environments. Each system integrates structural steel fabrication, precision CNC machining, electrical wiring, PLC programming, and on-site commissioning into a single deliverable — tested and ready to operate. Industries Served Aerospace and satellite manufacturing Defense and military systems Primary aluminum and steel production Lumber and wood products processing Mining and mineral processing Observatory and scientific instrumentation Engineering Capabilities UTEC's engineering team handles mechanical design, electrical design, and controls programming for every material handling system we build. Mechanical Engineering 3D solid modeling, finite element analysis (FEA), and detailed fabrication drawings. UTEC engineers design structures for extreme loads, high temperatures, and corrosive environments found in primary metals and aerospace applications. Electrical & Controls Engineering Complete electrical design, panel layout, wiring diagrams, and PLC programming. UTEC is a Rockwell Automation Recognized System Integrator with Allen-Bradley certification for industrial control systems. Fabrication & Machining UTEC's 25,000 sq ft facility houses overhead cranes from 3 to 50 tons, CNC machining centers, welding stations, and a car-bottom heat treating furnace — everything needed to build heavy industrial equipment from raw steel to finished assemblies. Heavy Fabrication Structural steel fabrication, plate cutting, forming, and welding for frames, bases, and enclosures. UTEC handles weldments from small brackets to multi-ton structural assemblies. CNC Machining Precision machining on Mori Seiki, Mazak, and Monarch equipment. Gantry sawing up to 50 x 84 inches, milling, and lathe turning to 48-inch diameter with tolerances to ±0.001 inches. Heat Treating On-site car-bottom furnace (6 ft x 10 ft x 17 ft, 1,800 °F, 50-ton capacity) for annealing, stress relieving, and normalizing. In-house induction hardening for crane wheels and wear components. Systems Integration UTEC delivers fully integrated material handling systems — not just fabricated components. Every system leaves our facility with mechanical, electrical, hydraulic, and software systems tested and ready for installation. What Integration Includes Complete mechanical assembly with precision alignment. Full electrical wiring and termination. PLC and HMI programming with operator interface screens. Factory acceptance testing (FAT) before shipment. On-site installation support and commissioning. Key Specifications 25,000 sq ft fabrication facility Overhead cranes: 3-ton to 50-ton capacity Car-bottom furnace: 1,800 °F, 50-ton capacity CNC machining to ±0.001-inch tolerance Rockwell/Allen-Bradley certified integrator Serving industry since 1983 Frequently Asked Questions What industries does UTEC serve with material handling systems? UTEC builds material handling equipment for aerospace and satellite manufacturing (Lockheed Martin, Maxar Technologies), defense (RTX), primary aluminum (Kaiser Aluminum), lumber and wood products (Weyerhaeuser), steel production, mining, and scientific instrumentation (W.M. Keck Observatory). What load capacity can UTEC material handling systems support? UTEC designs and builds systems handling loads from 500 lbs to over 500,000 lbs. Our facility includes overhead cranes rated from 3 tons to 50 tons for in-house assembly and testing of large-scale equipment. What certifications does UTEC hold? UTEC is a Rockwell Automation Recognized System Integrator and Allen-Bradley certified partner. Our engineering team has decades of experience with industrial controls platforms used in aerospace, defense, and heavy industrial applications. What is the typical turnaround time for a material handling project? Project timelines vary based on complexity and scope. Simple fabrication projects may take 4 to 8 weeks. Full turnkey systems with engineering, fabrication, machining, controls, and commissioning typically run 12 to 24 weeks. UTEC provides detailed schedules during the proposal phase. Related Resources Visit the UTEC Resource Center for technical articles, engineering references, and industry guides related to material handling and systems automation. UTEC Resource Center Technical articles on crane wheels, heat treating, material handling design, and industrial automation best practices. Visit Resource Center Crane Wheel Technical References Detailed articles covering crane wheel materials, hardening processes, tread contour design, and replacement specifications for industrial overhead cranes. Crane Wheel Articles Start Your Material Handling Project UTEC Industrial engineers and builds complete material handling and systems automation solutions — from concept through commissioning. Contact us to discuss your next project. Get a Quote --- ## Custom Engineering and Fabrication URL: https://utec.co/solutions/custom-engineering-and-fabrication/ Description: UTEC delivers custom engineering and fabrication for heavy industrial equipment — design, CNC machining, welding, assembly, and systems automation for lumber, steel, aerospace, and defense. Custom Engineering and Fabrication UTEC Industrial delivers end-to-end engineering and fabrication for heavy industrial equipment — from 3D modeling and structural analysis through CNC machining, welding, and fully assembled systems automation. Get a Quote View Our Work Engineering-Driven Manufacturing UTEC combines mechanical engineering, electrical design, and software development into a single manufacturing operation. This vertically integrated approach means your project moves from concept to commissioning without handoffs between separate vendors. Since 1983, UTEC has engineered and fabricated custom equipment for some of the most demanding industrial environments in North America. Our clients include Weyerhaeuser, Maxar Technologies, RTX (Raytheon Technologies), the W.M. Keck Observatory, and Kaiser Aluminum — companies that require precision, reliability, and the ability to operate in extreme conditions. Every project begins with engineering. UTEC's design team works directly with your operations and maintenance staff to understand the application, environment, and performance requirements before a single piece of steel is cut. Engineering Services Mechanical Engineering UTEC's mechanical engineers produce 3D solid models, detailed fabrication drawings, and finite element analysis (FEA) for structural and thermal loads. Designs account for fatigue life, seismic requirements, and operating environment — whether that is a 1,400 °F aluminum smelter or a Class 100,000 cleanroom. Electrical Engineering Complete electrical design services including power distribution, motor control, sensor integration, and control panel layout. UTEC produces full wiring diagrams, panel schedules, and I/O lists for every project — ready for installation and inspection. Fabrication Capabilities UTEC's 25,000 sq ft fabrication facility is equipped for heavy structural steel fabrication, precision CNC machining, heat treating, and final assembly — all under one roof. Structural Fabrication Plate cutting, forming, welding, and structural steel assembly. UTEC fabricates frames, bases, enclosures, and weldments from carbon steel, stainless steel, and aluminum for equipment operating in extreme environments. CNC Machining Precision machining on Mori Seiki, Mazak, and Monarch CNC equipment. Tolerances to ±0.001 inches for critical wear surfaces, bearing fits, and alignment features that must perform over millions of cycles. Assembly & Testing Full mechanical and electrical assembly with overhead cranes up to 50 tons. Factory acceptance testing (FAT) verifies performance before shipment. UTEC provides on-site installation and commissioning support. Software & Controls Integration UTEC develops custom PLC programs, HMI operator interfaces, and motion control sequences for every automated system we build. As a Rockwell Automation Recognized System Integrator, UTEC delivers proven control architectures using Allen-Bradley hardware and software. Control Platforms Allen-Bradley ControlLogix and CompactLogix PLCs PanelView and FactoryTalk HMI systems Variable frequency drives (VFDs) and servo systems Industrial networking (EtherNet/IP, DeviceNet) Trusted By Weyerhaeuser Maxar Technologies RTX (Raytheon Technologies) W.M. Keck Observatory Kaiser Aluminum Frequently Asked Questions What industries does UTEC provide custom engineering for? UTEC engineers and fabricates custom equipment for aerospace and satellite manufacturing, defense, primary aluminum and steel production, lumber and wood products, mining, and scientific research. Our client list includes Lockheed Martin, Maxar, RTX, Weyerhaeuser, Kaiser Aluminum, and the W.M. Keck Observatory. Does UTEC provide turnkey solutions? Yes. UTEC handles every phase of a project — mechanical design, electrical engineering, structural fabrication, CNC machining, heat treating, controls programming, assembly, factory testing, and on-site commissioning. This single-source approach reduces project risk and accelerates delivery. What size projects can UTEC handle? UTEC's 25,000 sq ft facility includes overhead cranes rated from 3 to 50 tons, a car-bottom furnace capable of heat treating components up to 50 tons, and CNC machining capacity for parts up to 50 x 84 inches. Projects range from individual machined components to fully integrated material handling systems. Related Resources Explore technical articles and engineering references from the UTEC Resource Center. UTEC Resource Center Technical articles on material handling design, crane wheel engineering, heat treating processes, and industrial automation best practices. Visit Resource Center Engineering Case Studies See examples of UTEC's custom engineering work — from satellite solar array testing systems to industrial biomass dryers and aluminum ingot handling equipment. View Our Work Start Your Engineering Project UTEC Industrial delivers custom engineering and fabrication for the most demanding industrial applications. Contact us to discuss your next project. Get a Quote --- ## CNC Machine Services URL: https://utec.co/solutions/cnc-machine-services/ Description: UTEC provides precision CNC machining on Mori Seiki, Mazak, and Monarch equipment — gantry sawing up to 50x84 inches, lathe turning to 48 inch diameter, tolerances to ±0.001 inches. CNC Machine Services UTEC Industrial provides precision CNC machining on Mori Seiki, Mazak, and Monarch equipment — gantry sawing up to 50 x 84 inches, lathe turning to 48-inch diameter, and tolerances to ±0.001 inches. Get a Quote View Capabilities Precision CNC Machining for Heavy Industry UTEC's machine shop produces precision components for material handling systems, crane wheels, industrial wear parts, and custom equipment. Every part is machined in-house on equipment maintained to factory specifications — ensuring consistent accuracy across production runs. UTEC machines components from carbon steel, alloy steel (AISI 4140, 4340), stainless steel, aluminum, bronze, and other engineering materials. Parts are machined to tolerances of ±0.001 inches and designed to last millions of production cycles in extreme operating conditions including high temperatures, heavy loads, and corrosive environments. CNC machining is fully integrated with UTEC's engineering, fabrication, and heat treating operations — allowing single-source manufacturing from raw material through finished, tested components. CNC Equipment & Capabilities UTEC operates multiple CNC machining centers, lathes, and a gantry saw for heavy industrial component manufacturing. Gantry Sawing UTEC's Marvel Gantry Saw handles stock up to 50 inches wide by 84 inches tall. The gantry saw is used for cutting large steel billets, forgings, and plate stock to size before machining — providing accurate, square cuts that reduce setup time on CNC equipment. Maximum capacity: 50 x 84 inches Cuts carbon steel, alloy steel, stainless steel, and aluminum Square, accurate cuts for efficient downstream machining CNC Milling UTEC's Mori Seiki Vertical Machining Center provides high-precision milling for complex geometries, bearing bores, keyways, bolt patterns, and critical alignment surfaces — delivering repeatable accuracy for production runs requiring ±0.001-inch tolerances. Mori Seiki Vertical Machining Center Tolerances to ±0.001 inches Complex geometries, bearing bores, and critical surfaces CNC Lathe Turning UTEC operates Mazak and Monarch CNC lathes for turning operations on round stock, forgings, and castings up to 48 inches in diameter. Applications include crane wheels, shafts, rollers, bushings, and other cylindrical components for material handling equipment. Mazak and Monarch CNC lathes Turning capacity to 48-inch diameter Crane wheels, shafts, rollers, and cylindrical components Support Equipment UTEC's machine shop includes manual lathes, drill presses, surface grinders, and hand tools for secondary operations, deburring, and finishing. Overhead cranes from 3 to 50 tons handle workpiece loading and positioning throughout the machining process. Manual lathes and drill presses Surface grinders for precision finishing Overhead cranes: 3-ton to 50-ton capacity Equipment Specifications Summary Equipment Type Key Specification Marvel Gantry Saw Sawing 50 x 84 inch capacity Mori Seiki VMC Vertical Machining Center ±0.001-inch tolerance Mazak CNC Lathe CNC Turning Up to 48-inch diameter Monarch CNC Lathe CNC Turning Heavy-duty industrial turning Overhead Cranes Material Handling 3-ton to 50-ton capacity Frequently Asked Questions What CNC equipment does UTEC operate? UTEC operates a Mori Seiki Vertical Machining Center, Mazak and Monarch CNC lathes, and a Marvel Gantry Saw. This equipment handles milling, turning, and sawing operations for components ranging from small precision parts to large steel billets up to 50 x 84 inches. What is the largest part UTEC can machine? For sawing, UTEC's gantry saw handles stock up to 50 inches wide by 84 inches tall. For turning, the Mazak and Monarch lathes accommodate workpieces up to 48 inches in diameter. Overhead cranes rated up to 50 tons handle loading and positioning of heavy workpieces. What tolerances can UTEC achieve? UTEC machines components to tolerances of ±0.001 inches on the Mori Seiki VMC and CNC lathes. These precision tolerances are critical for bearing fits, alignment surfaces, and wear components used in material handling systems and crane wheels. What materials does UTEC machine? UTEC machines carbon steel, alloy steel (including AISI 4140 and 4340), stainless steel, aluminum, bronze, and other engineering materials. Material selection depends on the application — alloy steels for crane wheels and wear parts, stainless for corrosive environments, and aluminum for aerospace applications. Related Resources Explore technical articles on CNC machining, crane wheel manufacturing, and industrial component engineering from the UTEC Resource Center. UTEC Resource Center Technical articles covering crane wheel machining, material specifications, heat treating processes, and industrial equipment design. Visit Resource Center Steel Crane Wheels UTEC machines precision crane wheels from AISI 4140 and 4340 alloy steel billets. See our dedicated crane wheel page for specifications and capabilities. Crane Wheel Specifications Request CNC Machining Services UTEC Industrial provides precision CNC machining for heavy industrial components, crane wheels, and custom equipment. Contact us with your drawings or specifications. Get a Quote --- ## Custom Software for Industrial Controls URL: https://utec.co/solutions/custom-software-for-industrial-controls/ Description: UTEC delivers PLC programming, motion control, and systems automation — Rockwell Automation Recognized System Integrator and Allen-Bradley certified partner. Custom Software & Systems Automation UTEC Industrial delivers PLC programming, motion control, and systems automation for complex industrial processes — as a Rockwell Automation Recognized System Integrator and Allen-Bradley certified partner. Get a Quote Material Handling Systems Industrial Control Systems Engineering UTEC develops custom control systems for material handling equipment, process automation, and industrial machinery. Every control system is designed, programmed, tested, and commissioned by UTEC engineers — integrated directly with our mechanical fabrication and electrical wiring to deliver complete, turnkey systems. UTEC's software and controls team handles everything from simple motor control and sequencing to complex multi-axis motion control with real-time feedback. Our engineers program Allen-Bradley ControlLogix and CompactLogix PLCs, design PanelView HMI operator interfaces, and configure variable frequency drives and servo systems for precise positioning and speed control. Because UTEC builds the mechanical equipment and writes the control software under the same roof, the systems we deliver are tested as complete units before leaving our facility — reducing installation time and startup risk at your site. Control System Design UTEC designs control systems from the ground up — electrical schematics, panel layouts, I/O assignments, network architecture, and PLC programs — all coordinated with the mechanical design of the equipment. Electrical Design UTEC produces complete electrical design packages including power distribution one-line diagrams, motor control schematics, I/O wiring diagrams, panel layout drawings, and cable schedules. All designs are produced to customer and facility standards. Panel Fabrication Control panels are designed, fabricated, and wired in-house. UTEC builds panels ranging from simple motor starters to complex multi-PLC control systems with integrated power distribution, drive sections, and I/O marshaling. PLC & Motion Control UTEC programs PLC logic, HMI operator interfaces, and motion control sequences for material handling systems, process automation, and custom industrial machinery. PLC Programming Custom ladder logic, structured text, and function block programming for Allen-Bradley ControlLogix and CompactLogix PLCs. Programs include sequencing, interlocking, fault handling, data logging, and communication with plant-level systems. HMI Development Operator interface screens designed for clarity and usability — PanelView and FactoryTalk View platforms. UTEC HMI applications provide real-time status, alarm management, recipe management, and production reporting. Motion Control Multi-axis coordinated motion control for positioning, indexing, and continuous-path applications. UTEC programs servo drives and VFDs for precise speed, torque, and position control in material handling and assembly systems. Rockwell Automation Recognized System Integrator UTEC is a Rockwell Automation Recognized System Integrator — a certification that requires demonstrated proficiency with Allen-Bradley hardware and software, documented quality management processes, and ongoing training in Rockwell platforms. What This Means for Your Project Rockwell Recognized System Integrators are evaluated by Rockwell Automation for technical capability, project management processes, and customer satisfaction. UTEC's certification means your control system is designed and programmed by engineers with verified expertise in Allen-Bradley platforms — reducing integration risk and ensuring compatibility with plant-wide Rockwell infrastructure. Platforms & Technologies Allen-Bradley ControlLogix and CompactLogix PLCs PanelView Plus and FactoryTalk View HMI PowerFlex variable frequency drives Kinetix servo drives and integrated motion EtherNet/IP industrial networking DeviceNet and ControlNet communications FactoryTalk Historian and reporting Frequently Asked Questions What control platforms does UTEC program? UTEC primarily programs Allen-Bradley (Rockwell Automation) platforms including ControlLogix, CompactLogix, PanelView HMI, PowerFlex VFDs, and Kinetix servo drives. UTEC also has experience with Siemens and other PLC platforms for retrofit and integration projects. Is UTEC a Rockwell Automation certified integrator? Yes. UTEC is a Rockwell Automation Recognized System Integrator, which requires demonstrated proficiency with Allen-Bradley hardware and software, documented quality processes, and ongoing training. This certification ensures UTEC engineers have verified expertise in Rockwell platforms. What industries does UTEC provide controls engineering for? UTEC provides controls engineering and systems automation for aerospace (Lockheed Martin, Maxar), defense (RTX), primary aluminum (Kaiser Aluminum), lumber and wood products (Weyerhaeuser), steel production, and scientific instrumentation (W.M. Keck Observatory). Does UTEC provide remote monitoring and support? UTEC can design control systems with remote access capability for diagnostics, program updates, and troubleshooting support. Remote access architecture is specified during the design phase and implemented using secure VPN connections to comply with plant IT and cybersecurity requirements. Related Resources Explore technical articles and project examples from the UTEC Resource Center and Our Work portfolio. UTEC Resource Center Technical articles on industrial automation, material handling design, and engineering best practices. Visit Resource Center Systems Automation Projects See examples of UTEC's integrated systems automation work — from satellite test positioners to automated conveyor systems and process control upgrades. View Our Work Start Your Controls Project UTEC Industrial delivers custom PLC programming, motion control, and systems automation for the most demanding industrial applications. Contact us to discuss your project requirements. Get a Quote --- ## Heat Treating and Annealing URL: https://utec.co/solutions/heat-treating-and-annealing/ Description: UTEC's on-site car-bottom furnace (6x10x17 ft, 1,800 deg F, 50-ton capacity) provides annealing, stress relieving, normalizing, and induction hardening for industrial components. Heat Treating and Annealing UTEC Industrial's on-site car-bottom furnace and induction hardening equipment provide annealing, stress relieving, normalizing, and surface hardening for industrial components — all integrated with our fabrication and CNC machining operations. Get a Quote View Capabilities On-Site Heat Treating Capabilities UTEC operates a car-bottom furnace and induction hardening equipment on-site in our 25,000 sq ft facility. Having heat treating in-house eliminates the delays, handling damage, and quality uncertainty of shipping parts to outside heat treaters — keeping your project on schedule and under UTEC's quality control from start to finish. Heat treating is a critical step in manufacturing heavy industrial components. Weldments require stress relief to prevent distortion during machining. Crane wheels need induction-hardened treads for wear resistance. Structural components may need normalizing to refine grain structure after hot forming. UTEC performs all of these processes on-site, coordinated with our fabrication and machining schedules. UTEC's heat treating operations serve both internal production and outside customers. Whether you need stress relief for a single weldment or production heat treating for a run of crane wheels, UTEC has the capacity and expertise to meet your requirements. Car-Bottom Furnace Specifications UTEC's car-bottom furnace is sized for large weldments, structural components, and heavy industrial parts that require controlled heating and cooling cycles. Specification Value Furnace Type Car-bottom (roll-in/roll-out) Interior Dimensions 6 ft wide x 10 ft tall x 17 ft long Maximum Temperature 1,800 °F (982 °C) Load Capacity 50 tons Temperature Control Programmable ramp and soak cycles Loading Method Overhead crane to car-bottom cart (3-ton to 50-ton cranes available) Heat Treating Processes Annealing & Stress Relief Stress relieving removes residual stresses induced by welding, machining, or forming — preventing distortion during subsequent machining operations and improving dimensional stability in service. UTEC performs stress relief on weldments, fabricated structures, and machined components using controlled ramp-and-soak cycles tailored to the material and part geometry. Full annealing softens material for improved machinability or to restore ductility after cold working. UTEC's car-bottom furnace accommodates large weldments and structural components that exceed the capacity of most commercial heat treating furnaces. Normalizing Normalizing refines grain structure in carbon and alloy steels after hot rolling, forging, or heavy welding. Parts are heated above the upper critical temperature and air-cooled to produce a uniform, fine-grained microstructure with improved mechanical properties. UTEC normalizes structural components, forgings, and heavy plate weldments as part of our integrated fabrication process. Induction Hardening UTEC operates in-house induction hardening equipment for surface hardening of crane wheels, shafts, rollers, and other wear components. Induction hardening produces a hard, wear-resistant surface layer while maintaining a tough, ductile core. Process Overview Induction hardening uses electromagnetic induction to rapidly heat the surface of a steel component, followed by quenching to produce a martensitic surface layer. The depth of hardening is controlled by frequency, power, and heating time. UTEC hardens crane wheel treads to 50–58 HRC, providing the wear resistance needed for millions of load cycles on hardened crane rails. Applications Crane wheel tread hardening (50–58 HRC) Shaft and roller surface hardening Wear surface hardening for material handling components Guide rail and track hardening Vibratory Stress Relief For weldments and fabricated structures that exceed the physical dimensions of the furnace, UTEC offers automated vibratory stress relief (VSR) as an alternative to thermal stress relieving. Vibratory stress relief uses controlled mechanical vibration to reduce residual stresses in welded and fabricated structures. The process works by inducing resonant vibrations that cause micro-yielding at stress concentration points, redistributing and reducing internal stresses without heating the part. VSR is particularly useful for large weldments that will not fit in a furnace, time-sensitive projects where furnace scheduling would delay production, and assemblies with components that cannot tolerate furnace temperatures (such as bearings, seals, or pre-machined surfaces). Frequently Asked Questions What heat treating processes does UTEC offer? UTEC provides annealing, stress relieving, normalizing, induction hardening, and vibratory stress relief. The car-bottom furnace handles thermal processes up to 1,800 °F for parts weighing up to 50 tons. Induction hardening is available for crane wheels and other wear components. Vibratory stress relief is used for oversize weldments that exceed furnace dimensions. What are the furnace dimensions and capacity? UTEC's car-bottom furnace measures 6 ft wide x 10 ft tall x 17 ft long with a maximum load capacity of 50 tons. Maximum temperature is 1,800 °F (982 °C). The furnace uses programmable ramp-and-soak cycles for precise temperature control throughout the heating and cooling process. What types of parts does UTEC heat treat? UTEC heat treats weldments, structural fabrications, crane wheels, shafts, rollers, forgings, castings, and machined components. Parts range from individual crane wheels to multi-ton structural weldments for material handling equipment. UTEC heat treats both internally produced parts and outside customer work. What is vibratory stress relief and when is it used? Vibratory stress relief (VSR) uses controlled mechanical vibration to reduce residual stresses in welded structures without heating. VSR is used when parts exceed the physical dimensions of the furnace, when furnace scheduling would delay production, or when assemblies contain components that cannot tolerate furnace temperatures. UTEC uses automated VSR equipment with real-time monitoring to verify stress reduction. Related Resources Learn more about heat treating processes and industrial component manufacturing from the UTEC Resource Center. UTEC Resource Center Technical articles on heat treating, crane wheel hardening, stress relief processes, and material specifications for industrial components. Visit Resource Center Steel Crane Wheels UTEC manufactures precision crane wheels with in-house induction hardening. See our dedicated crane wheel page for materials, hardness specifications, and ordering information. Crane Wheel Specifications Request Heat Treating Services UTEC Industrial provides on-site heat treating, annealing, stress relieving, and induction hardening for heavy industrial components. Contact us with your material and process requirements. Get a Quote --- ## Capabilities URL: https://utec.co/capabilities-tooling/ Description: UTEC Industrial's 25,000 sq ft facility in Spokane, WA offers CNC machining, heavy fabrication, heat treating (1,800 deg F furnace), induction hardening, PLC programming, and vibratory stress relief. World-Class Heavy Material Handling Manufacturing excellence at your service. At UTEC Industrial, we've assembled the engineering and fabrication talent to design and build complex material handling and systems automation equipment — for low operating costs, easy maintenance and repair, and high return on investment. Get a Quote Read Our Story Precision Engineered Excellence UTEC's vertically integrated 25,000 square foot facility handles every step of the manufacturing process — from initial design and engineering through CNC machining, fabrication, heat treating, and final assembly. Manufacturing Plant UTEC's 25,000 square foot heavy industrial fabrication plant and machine shop in Washington State are capable of producing extreme-scale material handling equipment, ranging from industrial lumber and raw materials handling machines to aerospace cranes and conveyor systems. Explore Fabrication Services CNC Machining UTEC specializes in high-precision CNC machining on Mori Seiki, Mazak, and Monarch equipment — developing precision parts designed to last millions of production cycles in extreme conditions. Explore CNC Services High-Temperature Furnace Our on-site car-bottom furnace, measuring 6 ft x 10 ft x 17 ft and capable of reaching temperatures up to 1,800 °F, is designed for annealing and stress relieving, ensuring optimal material strength and durability. Explore Heat Treating Automated Vibratory Stress Relief UTEC employs automated vibratory stress relievers to enhance material performance, effectively reducing internal stress and improving structural integrity for oversize weldments and fabricated structures. Explore Stress Relief UTEC Industrial's Production Process From initial inquiry to worldwide delivery — UTEC manages the complete project lifecycle. 1. Quoting Submit your project details via our contact form, or call us to discuss your requirements at (509) 922-1832. 2. Order Placement We have a simple engagement agreement and pricing model, simplifying your time to kick-off and time to delivered value. 3. Manufacturing UTEC can design, engineer, machine and fabricate just about any industrial machine to your world-class standards. 4. Quality Control We ensure your project meets the quality and productivity thresholds and certifications you require. 5. Shipment Experience consistently fast production times with our world-wide delivery and installation services. 6. Order Tracking Receive real-time production status updates — access exclusive machine videos and comprehensive inspection data even before your items are delivered. Quality from Start to Finish Built to your exacting specifications Built for extreme tolerances and operating conditions Fully automated with advanced PLC and motion control World-wide delivery and installation From Local Manufacturers to Global Industrial Leaders UTEC is trusted by hundreds of satisfied customers worldwide, including Lockheed Martin, RTX (Raytheon), Maxar Technologies, Kaiser Aluminum, Weyerhaeuser, and the W.M. Keck Observatory. View Our Portfolio Trusted by Industry Leaders UTEC Industrial Portfolio Engineered solutions for heavy industry and aerospace. Satellite Solar Array Testing View Project Satellite Test Positioner View Project Biomass Drum Dryers View Project View All Projects Ready to Tackle Your Toughest Project? Leverage our engineering expertise: from prototyping to large scale production, we've got you covered. Get a Quote --- ## Our Work URL: https://utec.co/our-work/ Description: Engineered solutions for heavy industry and aerospace. UTEC Industrial has delivered material handling and systems automation projects for Lockheed Martin, Kaiser Aluminum, Maxar Technologies, Weyerhaeuser, and the W.M. Keck Observatory. Our Work Engineered solutions for heavy industry and aerospace. UTEC Industrial has delivered material handling and systems automation projects for Lockheed Martin, Kaiser Aluminum, Maxar Technologies, Weyerhaeuser, and the W.M. Keck Observatory. Advanced Deployment Testing System for Satellite Solar Arrays Client: Maxar Technologies (SSL) — Deployment testing harnesses for satellite solar wing arrays, validating deployment in simulated space conditions using thermal vacuum chambers and gravity offload systems. View Project Satellite Test Positioner for Anechoic Test Chambers Client: RTX (Raytheon) — Precision multi-axis positioners for maneuvering satellites within electromagnetic-absorbing anechoic chambers during antenna and sensor testing. View Project Wood Chip and Biomass Drum Dryers Client: Weyerhaeuser / Westec — Enormous motorized drum dryers for processing wood chips and biomass, fabricated by UTEC using CNC machining for critical components. View Project Ingot Transfer System Client: Kaiser Aluminum — Custom ingot transfer system with in-house PLC and motion control software, automating material flow and reducing manual labor in aluminum processing plants. View Project Positioning Crane for Telescope Mirror Segments Client: W.M. Keck Observatory — Specialized positioning crane for handling 36 hexagonal primary mirror segments with sub-millimeter accuracy and custom PLC control. View Project Solar Array Assembly Line Conveyor Client: Lockheed Martin — Automated assembly conveyor for satellite solar array production, integrating advanced automation for efficient movement through assembly stages. View Project Ingot Sawing System Client: Kaiser Aluminum — Custom sawing system for processing large aluminum ingots with precise cuts, custom PLC controls, and heat-treated key components for durability. View Project Lumber Stackers with Automated Stick Placers Client: Gillingham Best — VPG lumber stackers that automate organizing cut lumber into uniform bundles with stick placement between layers for air circulation during drying. View Project Have a Complex Project in Mind? UTEC Industrial engineers and builds material handling and systems automation solutions for the most demanding applications in aerospace, defense, and heavy industry. Get a Quote --- ## Positioning Crane for Telescope Mirror Segments URL: https://utec.co/our-work/positioning-crane-for-telescope-mirror-segments/ Description: UTEC Industrial built a specialized positioning crane for the W.M. Keck Observatory, handling 36 hexagonal primary mirror segments with sub-millimeter accuracy. Positioning Crane for Telescope Mirror Segments UTEC Industrial engineered and built a specialized positioning crane for the W.M. Keck Observatory, enabling sub-millimeter accurate handling of 36 hexagonal primary mirror segments with custom PLC control. Get a Quote All Projects Project Overview The W.M. Keck Observatory houses two of the largest optical and infrared telescopes in the world, located near the summit of Mauna Kea in Hawaii. Each telescope's primary mirror is not a single piece of glass but rather a mosaic of 36 hexagonal mirror segments that work together as a single optical surface. These segments must be periodically removed for recoating and reinstalled with extraordinary precision. UTEC Industrial designed and fabricated a specialized positioning crane to handle the installation, removal, and repositioning of these mirror segments. The crane must navigate the complex geometry of the telescope structure while maintaining sub-millimeter positioning accuracy — any error during segment handling could damage the extremely expensive mirror surfaces or compromise the telescope's optical alignment. This project represents one of the most demanding applications of UTEC's material handling expertise, where the tolerances are measured in fractions of a millimeter and the consequences of failure extend far beyond equipment damage to the potential loss of irreplaceable scientific capability. UTEC's Role UTEC engineered the positioning crane from the ground up, starting with 3D modeling and finite element analysis to ensure the structure could achieve the required positioning accuracy while supporting the weight of the mirror segments. The crane's mechanical systems were machined to extremely tight tolerances on UTEC's CNC equipment, with critical bearing surfaces and guide rails ground to micro-level smoothness. UTEC's controls engineers developed custom PLC and motion control software that coordinates the crane's multi-axis movement with the precision required for telescope mirror segment operations. The software includes safety interlocks and fine-positioning modes that allow operators to place segments with sub-millimeter accuracy within the telescope's mirror cell structure. Key Specifications Specialized positioning crane for 36 hexagonal primary mirror segments Sub-millimeter positioning accuracy for mirror segment placement Custom PLC and motion control software with safety interlocks Multi-axis movement within the complex telescope structure CNC-machined components with micro-level surface finishes Designed for the W.M. Keck Observatory's Mauna Kea facility Related Projects Satellite Test Positioner Precision multi-axis positioners for satellite antenna testing in anechoic chambers, built for RTX (Raytheon). View Project Solar Array Deployment Testing Deployment testing harnesses for Maxar Technologies' satellite solar wing arrays with gravity offload systems. View Project Solar Array Assembly Line Conveyor Automated assembly conveyor for Lockheed Martin's satellite solar array production line. View Project Ready to Tackle Your Toughest Project? UTEC Industrial engineers and builds material handling and systems automation solutions for the most demanding applications in aerospace, defense, and heavy industry. Get a Quote --- ## Satellite Test Positioner for Anechoic Test Chambers URL: https://utec.co/our-work/satellite-test-positioner-for-anechoic-test-chambers/ Description: UTEC Industrial developed and installed precision satellite test positioners for RTX (Raytheon) anechoic chambers, enabling full rotational antenna and sensor testing. Satellite Test Positioner for Anechoic Test Chambers UTEC Industrial developed, built, and installed precision satellite test positioners for RTX (Raytheon), enabling full rotational movement for testing antennas, sensors, and communication arrays inside anechoic chambers. Get a Quote All Projects Project Overview Anechoic test chambers are specialized rooms lined with electromagnetic-absorbing materials that eliminate signal reflections, creating a controlled environment for testing satellite antennas, sensors, and communication systems. Inside these chambers, satellites must be precisely positioned and rotated to measure their electromagnetic characteristics from every angle. UTEC Industrial engineered and manufactured satellite test positioners that serve as the mechanical foundation for this testing. These precision platforms maneuver full-size satellites within the chamber, providing controlled rotational movement across multiple axes so that engineers can characterize antenna patterns, verify sensor performance, and validate communication array functionality. The positioners must achieve exceptional accuracy while supporting the full weight of a satellite. Any mechanical vibration, backlash, or positioning error would corrupt the test data, making precision engineering and fabrication essential to the system's success. UTEC's Role UTEC handled the complete development cycle for the satellite test positioners — from initial engineering and 3D modeling through CNC machining, fabrication, assembly, and on-site installation. The positioners required extremely tight machining tolerances to achieve the sub-degree positioning accuracy demanded by electromagnetic testing protocols. UTEC's engineers designed the drive systems and structural components to minimize vibration and ensure smooth, repeatable motion under heavy satellite loads. The team also managed installation and commissioning at the RTX facility, verifying that all performance specifications were met in the actual anechoic chamber environment. Key Specifications Multi-axis precision positioning platform for full-size satellites Full rotational movement for comprehensive antenna pattern measurement Sub-degree positioning accuracy under full satellite load Designed for electromagnetic-absorbing anechoic chamber environments Vibration-minimizing drive systems for clean test data On-site installation and commissioning at RTX facility Related Projects Solar Array Deployment Testing Deployment testing harnesses for Maxar Technologies' satellite solar wing arrays with gravity offload systems. View Project Solar Array Assembly Line Conveyor Automated assembly conveyor for Lockheed Martin's satellite solar array production line. View Project Ingot Transfer System Custom aluminum ingot transfer system with in-house PLC and motion control software for Kaiser Aluminum. View Project Ready to Tackle Your Toughest Project? UTEC Industrial engineers and builds material handling and systems automation solutions for the most demanding applications in aerospace, defense, and heavy industry. Get a Quote --- ## Solar Array Deployment Testing System URL: https://utec.co/our-work/advanced-deployment-testing-system-for-satellite-solar-arrays/ Description: UTEC Industrial engineered deployment testing harnesses for Maxar Technologies' satellite solar wing arrays, validating deployment in simulated space conditions. Advanced Deployment Testing System for Satellite Solar Arrays UTEC Industrial engineered and built deployment testing harnesses for Maxar Technologies (Space Systems Loral), enabling validation of satellite solar wing deployment under simulated space conditions. Get a Quote All Projects Project Overview Satellite solar arrays must deploy flawlessly in orbit — there are no second chances. Before launch, every solar wing undergoes rigorous ground-based deployment testing to verify that panels unfold correctly, locks engage properly, and structural integrity holds under the stresses of deployment. UTEC Industrial designed and fabricated the Mechanical Ground Support Equipment (MGSE) that makes this testing possible. The deployment testing harnesses built by UTEC simulate the conditions a satellite solar wing experiences during deployment in space. Testing takes place inside thermal vacuum chambers that replicate the vacuum of space and the extreme temperature swings between direct sunlight and shadow. Gravity offload systems counteract Earth's gravitational pull, allowing the solar wings to deploy as they would in a zero-gravity environment. These systems are critical to mission success. A failed solar array deployment can render a satellite inoperable, resulting in the loss of hundreds of millions of dollars in hardware and the mission objectives it supports. UTEC's precision engineering ensures that every deployment sequence is validated before the satellite ever leaves the ground. UTEC's Role UTEC provided end-to-end engineering, CNC machining, and fabrication for the deployment testing harnesses. The work included designing custom fixtures and support structures capable of precisely positioning satellite solar wings during deployment sequences. UTEC's team engineered gravity offload mechanisms that allow the massive solar arrays to move freely during testing, as if in microgravity. All components were machined to tight tolerances to meet the demanding accuracy requirements of satellite-grade ground support equipment. UTEC also coordinated closely with Maxar Technologies' engineering teams to ensure seamless integration with their thermal vacuum chamber infrastructure and testing protocols. Key Specifications Mechanical Ground Support Equipment (MGSE) for satellite solar wing testing Compatible with thermal vacuum chamber environments Gravity offload systems simulating zero-gravity deployment conditions Precision-machined fixtures and support structures Designed for extreme temperature cycling and vacuum conditions Full deployment sequence validation before launch Related Projects Satellite Test Positioner Precision multi-axis positioners for satellite antenna testing in anechoic chambers, built for RTX (Raytheon). View Project Solar Array Assembly Line Conveyor Automated assembly conveyor for Lockheed Martin's satellite solar array production line. View Project Positioning Crane for Telescope Mirror Segments Specialized positioning crane for the W.M. Keck Observatory's primary mirror segments with sub-millimeter accuracy. View Project Ready to Tackle Your Toughest Project? UTEC Industrial engineers and builds material handling and systems automation solutions for the most demanding applications in aerospace, defense, and heavy industry. Get a Quote --- ## Solar Array Assembly Line Conveyor URL: https://utec.co/our-work/solar-array-assembly-line-conveyor/ Description: UTEC Industrial built an automated assembly line conveyor for Lockheed Martin's satellite solar array production, integrating advanced automation for efficient multi-stage assembly. Solar Array Assembly Line Conveyor UTEC Industrial engineered and built an automated assembly conveyor for Lockheed Martin's satellite solar array production, enabling efficient movement through multiple assembly stages with flexibility for various array sizes. Get a Quote All Projects Project Overview Satellite solar arrays are complex assemblies that require multiple stages of construction — from substrate preparation and solar cell placement through wiring, testing, and final integration. Each stage demands precise positioning and careful handling of delicate components. Moving these large, fragile assemblies between workstations manually introduces risk of damage and limits production throughput. UTEC Industrial designed and built an automated assembly line conveyor system that transports solar array panels through Lockheed Martin's production facility. The conveyor moves assemblies between workstations at controlled speeds with precise positioning at each stop, ensuring that technicians can perform their assembly tasks without delay or repositioning. The system was engineered with the flexibility to accommodate various solar array sizes and configurations, allowing Lockheed Martin to produce different satellite programs on the same production line. Advanced automation technologies integrated into the conveyor handle the sequencing, timing, and quality checkpoints that keep production moving efficiently. UTEC's Role UTEC provided complete engineering, fabrication, and systems integration for the assembly line conveyor. The mechanical design required balancing structural rigidity for precise panel positioning with the gentle handling characteristics needed to protect delicate solar cells and wiring during transport. UTEC's engineers designed custom fixtures and panel supports that secure assemblies during movement without applying damaging clamping forces. The conveyor's automation systems were integrated by UTEC to coordinate with Lockheed Martin's production management systems, enabling automated sequencing of assembly stages, workstation indexing, and production data tracking. UTEC fabricated all structural components, drive systems, and fixtures in-house, ensuring tight quality control across the entire system. Key Specifications Automated multi-station assembly line conveyor for satellite solar arrays Precise positioning at each workstation for assembly operations Flexible design accommodating various array sizes and configurations Gentle handling systems protecting delicate solar cells during transport Integrated automation for sequencing, indexing, and production tracking Custom fixtures and panel supports fabricated in-house by UTEC Related Projects Solar Array Deployment Testing Deployment testing harnesses for Maxar Technologies' satellite solar wing arrays with gravity offload systems. View Project Satellite Test Positioner Precision multi-axis positioners for satellite antenna testing in anechoic chambers, built for RTX (Raytheon). View Project Positioning Crane for Telescope Mirror Segments Specialized positioning crane for the W.M. Keck Observatory's primary mirror segments with sub-millimeter accuracy. View Project Ready to Tackle Your Toughest Project? UTEC Industrial engineers and builds material handling and systems automation solutions for the most demanding applications in aerospace, defense, and heavy industry. Get a Quote --- ## Ingot Sawing System URL: https://utec.co/our-work/ingot-sawing-system/ Description: UTEC Industrial engineered a custom ingot sawing system for Kaiser Aluminum with precise cuts, custom PLC controls, and heat-treated key components for maximum durability. Ingot Sawing System UTEC Industrial engineered a custom ingot sawing system for Kaiser Aluminum, delivering precise cuts that meet strict industry standards with custom PLC controls and heat-treated key components. Get a Quote All Projects Project Overview Aluminum ingots cast at processing plants must be sawn to precise dimensions before they can proceed to rolling, extrusion, or other downstream operations. The sawing process demands accuracy — cuts must meet strict dimensional tolerances and surface finish requirements while handling ingots that can weigh thousands of pounds. Any deviation from specification results in scrap material and production delays. UTEC Industrial designed and built a custom ingot sawing system for Kaiser Aluminum that automates the sawing process with precision-controlled blade positioning and feed rates. The system handles the full cycle of ingot clamping, positioning, sawing, and offloading, reducing cycle times while maintaining consistent cut quality across thousands of production runs. The sawing system operates in the demanding environment of an aluminum processing plant, where heavy loads, metal chips, coolant, and continuous operation create extreme wear conditions. UTEC addressed these challenges through robust mechanical design and heat-treated components that maintain their performance over extended service life. UTEC's Role UTEC engineered the sawing system from concept through commissioning, handling mechanical design, CNC machining of precision components, fabrication of the structural frame and material handling subsystems, and development of the control software. Key wear components — including guide rails, clamping surfaces, and blade mounting assemblies — were heat treated in UTEC's on-site car-bottom furnace at temperatures up to 1,800 °F to achieve the hardness and wear resistance needed for continuous production use. UTEC's controls engineers developed custom PLC and motion control software that manages blade speed, feed rate, and positioning based on the specific ingot size and alloy being processed. The software includes automated sequencing for the complete sawing cycle and integrates with Kaiser Aluminum's plant-wide production management systems for scheduling and quality data tracking. Key Specifications Custom-engineered sawing system for large aluminum ingots Precision cuts meeting strict dimensional and surface finish tolerances Custom PLC and motion control software for automated operation Heat-treated key components (up to 1,800 °F) for extended wear life Automated clamping, positioning, sawing, and offloading cycles Integration with Kaiser Aluminum plant production systems Related Projects Ingot Transfer System Automated aluminum ingot transfer system with custom PLC and motion control for Kaiser Aluminum. View Project Wood Chip and Biomass Drum Dryers Massive drum dryers for Weyerhaeuser, designed by Westec and fabricated by UTEC with CNC-machined components. View Project Lumber Stackers with Automated Stick Placers VPG lumber stackers automating lumber bundling and stick placement for Gillingham Best. View Project Ready to Tackle Your Toughest Project? UTEC Industrial engineers and builds material handling and systems automation solutions for the most demanding applications in aerospace, defense, and heavy industry. Get a Quote --- ## Ingot Transfer System URL: https://utec.co/our-work/ingot-transfer-system/ Description: UTEC Industrial engineered a custom aluminum ingot transfer system for Kaiser Aluminum with in-house PLC and motion control software, reducing manual labor and improving safety. Ingot Transfer System UTEC Industrial engineered a custom aluminum ingot transfer system for Kaiser Aluminum, featuring in-house PLC and motion control software that automates material flow and reduces manual handling in processing plants. Get a Quote All Projects Project Overview Aluminum processing plants handle thousands of heavy ingots each day, moving them between casting, homogenizing, sawing, and shipping stations. Manually transferring these ingots is slow, labor-intensive, and presents significant safety risks due to their weight and the high-temperature environment of aluminum processing. UTEC Industrial designed and built a custom ingot transfer system for Kaiser Aluminum that automates the movement of aluminum ingots through critical processing stages. The system uses coordinated conveyor sections, transfer cars, and positioning mechanisms to move ingots seamlessly from one station to the next without manual intervention. By automating the transfer process, the system significantly reduces the need for manual labor in hazardous areas, decreases the risk of workplace injuries, and increases overall throughput. The automated sequencing ensures consistent cycle times and eliminates the bottlenecks that occur with manual handling operations. UTEC's Role UTEC provided the full scope of engineering, fabrication, and controls development for the ingot transfer system. The mechanical design included custom conveyor frames, transfer car mechanisms, and positioning fixtures — all engineered for the extreme loads and harsh operating environment of an aluminum processing plant. A critical component of the project was UTEC's in-house PLC and motion control software development. UTEC's controls engineers wrote the custom PLC programs that coordinate the timing and sequencing of all transfer movements, integrating with Kaiser Aluminum's existing plant control systems. The motion control software manages acceleration profiles, positioning accuracy, and safety interlocks to ensure reliable, safe operation around the clock. Key Results Custom-engineered transfer system for heavy aluminum ingots In-house PLC programming and motion control software development Automated material flow reducing manual labor requirements Reduced workplace injury risk in high-temperature processing areas Seamless integration with existing Kaiser Aluminum plant controls Improved operational efficiency and consistent cycle times Related Projects Ingot Sawing System Custom sawing system for processing large aluminum ingots with precision cuts and heat-treated components for Kaiser Aluminum. View Project Wood Chip and Biomass Drum Dryers Massive drum dryers for Weyerhaeuser, designed by Westec and fabricated by UTEC with CNC-machined components. View Project Lumber Stackers with Automated Stick Placers VPG lumber stackers automating lumber bundling and stick placement for Gillingham Best. View Project Ready to Tackle Your Toughest Project? UTEC Industrial engineers and builds material handling and systems automation solutions for the most demanding applications in aerospace, defense, and heavy industry. Get a Quote --- ## Lumber Stackers with Automated Stick Placers URL: https://utec.co/our-work/lumber-stackers-with-automated-stick-placers/ Description: UTEC Industrial fabricated VPG lumber stackers with automated stick placement for Gillingham Best, automating lumber bundling with high-speed operations for various lumber sizes. Lumber Stackers with Automated Stick Placers UTEC Industrial fabricated VPG lumber stackers with automated stick placement for Gillingham Best, automating the process of organizing cut lumber into uniform bundles at high speed for various lumber sizes. Get a Quote All Projects Project Overview After lumber is cut at a sawmill, it must be organized into uniform bundles and stacked for drying before it can be sold or processed further. Between each layer of lumber in the stack, thin wooden sticks (also called stickers) are placed at regular intervals to create air gaps that allow moisture to escape evenly during the drying process. Without proper stick placement, lumber can warp, cup, or develop mold — reducing its grade and market value. UTEC Industrial fabricated VPG lumber stackers with integrated automated stick placers for Gillingham Best that handle this stacking and stick placement process at production speeds. The system takes incoming lumber from the mill's sorting and grading line, organizes boards into layers of uniform width, and automatically places sticks between layers as each new course is built up in the stack. The automated system runs at high speed to keep pace with modern sawmill production rates, accommodating various lumber sizes and dimensions without requiring manual reconfiguration. This eliminates one of the most labor-intensive steps in sawmill operations while producing more consistent stacking quality than manual methods. UTEC's Role UTEC served as the fabrication partner for the lumber stacker systems, building the heavy structural frames, conveyor mechanisms, stick placement assemblies, and material handling components that make up the complete system. UTEC's CNC machining capabilities were critical for producing the precision rollers, guide tracks, and positioning mechanisms that ensure accurate lumber placement and consistent stick spacing at production speeds. The equipment operates in the harsh environment of a sawmill — exposed to wood dust, moisture, temperature swings, and constant vibration from the production line. UTEC fabricated all components to withstand these conditions, using appropriate material selections and protective treatments to ensure long service life with minimal maintenance downtime. Key Results VPG lumber stackers with integrated automated stick placement High-speed operation keeping pace with modern sawmill production rates Accommodates various lumber sizes and dimensions Consistent stick spacing for optimal air circulation during drying CNC-machined precision components for reliable positioning Rugged construction designed for harsh sawmill environments Related Projects Wood Chip and Biomass Drum Dryers Massive drum dryers for Weyerhaeuser, designed by Westec and fabricated by UTEC with CNC-machined components. View Project Ingot Transfer System Automated aluminum ingot transfer system with custom PLC and motion control for Kaiser Aluminum. View Project Ingot Sawing System Custom sawing system for processing large aluminum ingots with precision cuts and heat-treated components for Kaiser Aluminum. View Project Ready to Tackle Your Toughest Project? UTEC Industrial engineers and builds material handling and systems automation solutions for the most demanding applications in aerospace, defense, and heavy industry. Get a Quote --- ## Wood Chip and Biomass Drum Dryers URL: https://utec.co/our-work/wood-chip-and-biomass-drum-dryers/ Description: UTEC Industrial fabricated large-scale wood chip and biomass drum dryers for Weyerhaeuser, designed by Westec, using precision CNC machining for critical components. Wood Chip and Biomass Drum Dryers UTEC Industrial fabricated massive motorized drum dryers for Weyerhaeuser, designed by Westec, processing wood chips and biomass from sawmill operations with precision CNC-machined components. Get a Quote All Projects Project Overview Lumber mills generate enormous volumes of wood chips, sawdust, and biomass as byproducts of the sawing process. Before these materials can be used for particleboard, pellet fuel, or other products, they must be dried to specific moisture content levels. Drum dryers accomplish this by tumbling the material through a heated rotating cylinder, using hot air to evaporate moisture efficiently and uniformly. UTEC Industrial fabricated the key structural and mechanical components for these drum dryers, which are among the largest pieces of rotating equipment found in the forest products industry. The drums must maintain precise cylindrical geometry while operating under continuous thermal cycling and heavy mechanical loads from the tumbling material inside. By converting wood waste into a usable product, these drum dryers contribute to both energy efficiency and sustainability in the forest products supply chain. The dried material serves as feedstock for wood pellets, composite boards, and biomass energy generation. UTEC's Role Westec provided the engineering design for the drum dryers, and UTEC served as the fabrication partner responsible for building the critical mechanical components. UTEC's CNC machining capabilities were essential for producing the precision-ground trunnion rollers, riding rings, and drive gear components that keep the massive drums rotating smoothly and reliably. UTEC's fabrication team handled heavy plate rolling, welding, and assembly of the drum shells and internal flight systems that lift and cascade the material through the hot air stream. The combination of heavy fabrication capacity and precision machining allowed UTEC to produce all major components under one roof, ensuring dimensional consistency across the entire assembly. Key Results Massive rotating drum structures for high-volume wood chip and biomass drying Precision CNC-machined trunnion rollers, riding rings, and drive components Heavy plate rolling and welding for drum shell fabrication Improved energy efficiency through optimized drying performance Supports sustainability by converting wood waste into usable products Designed by Westec, fabricated by UTEC under one roof Related Projects Lumber Stackers with Automated Stick Placers VPG lumber stackers automating lumber bundling and stick placement for Gillingham Best. View Project Ingot Sawing System Custom ingot sawing system for Kaiser Aluminum with precision cuts and heat-treated components. View Project Ingot Transfer System Automated aluminum ingot transfer system with custom PLC and motion control for Kaiser Aluminum. View Project Ready to Tackle Your Toughest Project? UTEC Industrial engineers and builds material handling and systems automation solutions for the most demanding applications in aerospace, defense, and heavy industry. Get a Quote --- ## About UTEC Industrial | Material Handling Since 1983 URL: https://utec.co/about/ Description: UTEC Industrial designs, engineers, machines and fabricates world-class material handling and systems automation equipment for aerospace and heavy industry. Founded 1983, Spokane, WA. The Future of Material Handling The next generation of material handling: breakthroughs in quality and speed. UTEC Industrial has been designing, engineering, machining and fabricating world-class systems since 1983. Get a Quote View Our Work The Next Generation of Material Handling UTEC Industrial was born in 1983 of opportunity. The company was created to produce cost-effective, rapid production flanged steel alloy wheels for overhead bridge cranes and gantry cranes. Thomas Best purchased the company in 1985, rapidly expanding UTEC's services to include contract engineering, fabrication and machining for material handling applications, serving customers large and small across aerospace and heavy industry. Over the course of our 40 year history serving heavy industry in the Pacific Northwest and across the globe, UTEC has built unique material handling and systems automation solutions for customers ranging from RTX (Raytheon), Weyerhaeuser, Lockheed Martin, Keck Observatory, Maxar Technologies (Space Systems Loral) and countless others. We are ready to design, build and deliver worldwide your custom complex, industrial grade manufacturing project. Fast. Smart. Reliable. 25k+ Parts and Wheels Manufactured 10M+ Cycles Average Machine Life 100+ Customers Served World-Class Engineering and Fabrication At our core, we prioritize our customers' satisfaction, ensuring they feel valued and deeply committed to their projects. Building meaningful connections, we treat every customer like a partner, going the extra mile to ensure successful results and delivering top-quality material handling and systems automation solutions. Industrial Material Handling Explore Solutions Custom Engineering & Fabrication Explore Solutions CNC Machine Services Explore Solutions Steel Crane Wheels Explore Solutions Custom Software & PLC Explore Solutions Heat Treating & Annealing Explore Solutions Core Values Our core values not only define us as a company but also reflect the essence of each individual within our organization. Get Practical We produce elegant designs for efficient, high-reliability real-world operations with low operating and maintenance costs. Work Smarter We constantly innovate, improve and challenge assumptions. Collaborate We partner closely with our customers, suppliers and industry service providers to deliver solutions. Generations of Excellence In the past forty years, UTEC has transformed from a CNC machining company into a contract manufacturing leader. Our success thrives on building trustful relationships with clients and suppliers, achieved through global expansion and service enhancement. Since its inception in 1983, UTEC has been intertwined with America's evolution and growth. Through times of prosperity and challenges, we have played a pivotal role in building the material handling and systems automation equipment that move this great nation and the world. Today, we are driven by the potential to shape a brighter future for our company, customers, communities, and the planet at large. 1983 UTEC is founded by Peter Welk of Welk Brothers in Spokane, WA. 1985 Aerospace engineering and manufacturing veteran Thomas Best acquires UTEC. 1990s UTEC expands and launches custom material handling design, engineering, machining and fabrication services. 2000s UTEC adds motion control and programmable logic controller (PLC) custom software development to its service mix. 2010s UTEC adds timber, lumber and raw materials handling and processing equipment to augment its aerospace capabilities. 2025 UTEC Metals, Inc. rebrands to UTEC Industrial, reflecting the expanded scope of material handling, systems automation, and machining capabilities. From UTEC Metals to UTEC Industrial In 2025, UTEC rebranded from UTEC Metals, Inc. to UTEC Industrial. The new operating name reflects the expanding scope of UTEC's material handling, systems automation, and machining capabilities — a business that has grown well beyond its 1983 origins as a producer of flanged steel crane wheels. UTEC Metals, Inc. remains the legal entity behind UTEC Industrial; the operating name change does not alter the company's legal continuity, customer relationships, ownership, or contracts. Customers who knew the company as UTEC Metals continue to work with the same engineering team, the same Pacific Northwest manufacturing facility, and the same commitment to precision-machined alloy steel components and integrated material handling solutions. "For 40 years, UTEC has been at the forefront of material handling innovation. Together, we're working to create productive, efficient and successful customer businesses that lead the industry — and help build and grow American manufacturing capability." Ready to Work with UTEC? Contact us to discuss your next material handling or systems automation project. Get a Quote --- ## Contact UTEC Industrial | Get a Quote URL: https://utec.co/contact-us/ Description: Contact UTEC Industrial for a quote on material handling systems, crane wheels, CNC machining, custom fabrication, or systems automation. Spokane, WA. Call (509) 922-1832. Let's Get to Work Contact UTEC Industrial for a quote on material handling systems, crane wheels, CNC machining, custom fabrication, or systems automation. We respond to all inquiries within one business day. General Inquiries 17305 East Euclid Avenue Spokane, WA 99216 (509) 922-1832 info@utec.co Product Sales Inquiries Request a quote for crane wheels, material handling systems, CNC machining, or custom fabrication. sales@utec.co Complete the form below Supplier Inquiries If you are a supplier or vendor interested in working with UTEC Industrial, please contact us. supplier@utec.co Request a Quote Tell us about your project. Include dimensions, materials, hardness specifications, flange details, or any other technical requirements. We respond to all quote requests within one business day. General Contact Have a question that isn't about a specific quote? Use this form for general inquiries, partnership requests, or any other communication. Stay Updated Subscribe to receive updates from UTEC Industrial — new capabilities, technical resources, and industry insights. ---