United Engines


(806) 762-0455 / 515 North I-27 / Lubbock, TX 79403

United Engines acquired Buck’s Engines, a manufacturer of General Motors Powertrain industrial engines and an Isuzu diesel engines OEM, in 2004. With beginnings in the 1940’s, Buck’s Engines has grown into a global engine supplier with customers in North and South America, Europe, Asia, and Australia.

Buck’s engines can be found in applications including irrigation, gas compression, oil production, power generation, forklifts, industrial pumps and equipment and numerous repower applications. In many parts of the world Buck’s promotes the use of environmentally friendly, lower cost natural gas and LPG to replace existing diesel powered buses and commercial vehicles. UE Powertrain and Buck’s Engines has adapted to today’s market and is continually evolving to meet current demands. However, one thing that will never change: We have an engine ready to work for you!

As an Original Equipment Manufacturer (OEM) of GM Industrial Engines and Isuzu Diesel Engines, we oversee every detail that goes into our final products. The distinguishing Buck's name on every serial number plate is a one-word promise: Satisfaction. It ensures performance. It guarantees excellence. No matter what your engine need, we will strive to fill it.

General Motors

    With the Vortec engines, GM is the leader in engine power and durability. GM and Buck's have been working together for over 45 years

  • Vortec 1.6L Powertrain
  • Vortec 2.4L Powertrain
  • Vortec 3.0L Powertrain
  • Vortec 4.3L Powertrain
  • Vortec 5.7L Powertrain
  • Vortec 8.1L Powertrain

Isuzu Engines

    Isuzu is a leader in the industry, with over 20 million of its diesel engines in use worldwide. Tracing its origins back to 1916, Isuzu is one of the oldest and most established engine companies in the world. Known for their rugged durability, first-class performance, and best in class warranty, Isuzu engines have combined in a winning combination with UE Powertrain.

  • Isuzu C-Series
  • Isuzu L-Series
  • Isuzu J-Series
  • Isuzu B-Series
  • Isuzu H-Series

Parts & Accessories

    Buck's Engines has a wide range of parts and accessories to keep your engine running smoothly. We stock a complete line of replacement parts and components from all of the top manufacturers.

  • OEM for General Motors
  • OEM for Isuzu Engines
  • Equipment
    • Power Generation
      • MTU Onsite Energy
    • UE Compression
      • Natural Gas
      • Electric Drive
      • Industrial Air
    • UE Manufacturing
      • Drilling & Well Service Pump
      • Acidizing
      • Fracturing
      • Cementing
      • Service & Parts
      • Nitrogen
      • Equipment Remanufacturing
      • Power Units
  • Distributed Products
    • Environmental
      • Heil
      • Tymco
    • Thermo King
      • General Information
    • Engines
      • MTU
      • Detroit Diesel
      • Isuzu
      • GM Industrial
    • Transmissions
      • Allison
      • ATEX Certified
  • Genuine Parts & Services
    • Parts
      • MTU
      • Detroit Diesel
      • Isuzu
      • Heil
      • Tymco
      • All Makes
      • GM Industrial
      • Thermo King
      • Compression
      • Generator
    • Service
      • On-Highway
      • Off-Highway
      • Environmental
      • Refrigeration
      • Compression
      • Generator
  • Locations
  • Terms & Conditions
United Engines
5555 W. Reno Ave.
Oklahoma City, OK 73127
(800) 955-3321