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Stewart & Stevenson is a total solutions provider to the mining market. Partnering with world-class manufacturers, we provide rugged, environmentally friendly engines, transmissions, torque converters, generators, material handling equipment, air compressors and value-added specialty equipment for surface mining, underground mining and quarries.

We provide new and rebuilt engines, transmissions, and torque converters, and provide air compressors, hydraulic equipment and aftermarket parts. OEM equipment is supplied to owners of mining equipment as replacement parts, and Stewart & Stevenson teams with state agencies to repower equipment to meet EPA standards.

We service forklifts, dozers, backhoes, loaders, crawlers, crushers, power screens, pumps, cranes, haul trucks, on-highway trucks, conveyors, light towers, large drills, rail cars, compressors, generators, shovels, welders, water trucks, lub trucks, personnel carriers, blades, scoops, cement mixers and trucks. We also provide rental equipment.

Certified Stewart & Stevenson technicians are available 24/7/365 to perform all types of mining equipment service and repair, including engine and transmission overhauls and re-powers. We offer periodic maintenance contracts and also can provide dedicated service technicians on location.

Quarry & Construction

As a total solutions provider to the quarry and construction industry, we sell and service engines and transmissions utilized in all equipment, whether used for the extraction and handling of sand, gravel, river rock, limestone, scorio or flagstone.

Quarry & Construction.pdf

Surface Mining

As a total solutions provider to the surface mining industry, we sell and service engines and transmissions utilized in all mining equipment, whether used for mining gold, silver, copper, coal, molybdenum, gravel, sand or flagstone.

Surface Mining.pdf

Underground Mining

As a total solutions provider to the underground mining industry, we sell and service engines and transmissions utilized in all mining equipment, whether used for mining molybdenum, coal, potash, copper, salt, marble or other rock and mineral product.

Underground Mining.pdf

Special Capabilities

  • Application and design engineering
  • Value-added fabrication
  • Long-term service support for all brands
  • Manufacturer’s warranty options
  • Certified machine shop
  • Distribution network
  • Infrastructure trucks and tools
  • Financial backing


     Mining Equipment


    For innovative, dependable power in a compact size, Stewart & Stevenson offers natural gas and diesel engines by DEUTZ and MTU.
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    Forklifts / Lift Trucks

    Forklifts have been an integral part of Stewart & Stevenson’s product portfolio since 1958.
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    Stewart & Stevenson provides manufactured and pre-packaged generator sets for on-site continuous, emergency standby and peak-shaving power.
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    Stewart & Stevenson has expanded its pump offerings with the complete line of Moving Water Industries (MWI) pumps & Atlas Copco Submersible pumps.
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    Rail King? Rail Car Movers

    Developed by Stewart & Stevenson in 1990, Rail King railcar movers are designed and manufactured to provide simple, safe, and cost-effective primary power for switching operations.
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    Torque Converters

    Since 1996, Stewart & Stevenson has been the exclusive manufacturer of the line of torque converters formerly manufactured by Allison Transmission.
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    Stewart & Stevenson is a leading provider of Allison heavy-duty powershift transmissions that used in construction, haul truck and trencher applications.
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