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Serving the Oil & Gas Drilling Industry

For over 20 years, we have been dedicated to remanufacturing natural gas engines, diesel engines and generator sets. By working with us you will find that we are fully equipped to offer you the best service and product offerings in the industry. To support the equipment we rebuild and service, we carry a full line of replacement and remanufactured parts for the engine lines we represent.

Diesel & Natural Gas Engines

We repair all major brands: Caterpillar, Cummins, Detroit, Deutz, and others. We have an extensive aftermarket line of parts and alliances with major used parts companies that assist in quality and price if major components need to be replaced or added. We are a reliable independent source for service and replacement engines and specialize on CAT diesel and gas engines and generator sets. J & R stands behind all their work and offer warranties on the engines and generators sets we rebuild.

Our Services

  • Engine Exchanges
  • Field Service
  • CAT Engine Expertise
  • Cylinder Head Rebuilding
  • Load Testing Capabilities
  • New and Reconditioned Parts
  • Used Caterpillar and Waukesha Parts

Full Range of Engines

J & R offers a full range of Rebuilt, New Surplus, Low Hour, and Core Caterpillar engines.We are constantly purchasing used engines and restoring them back to their original condition. We carry a number of different makes and models from Diesel and Natural Gas engines to meet the needs of your particular application.

J & R Industrial Engine Service