The Hilliard Family of Companies

The Hilliard Family of Companies can help you with all of your used locomotive and semi-truck parts and needs.


Hei logo 1Hilliard Enterprises, Inc. (HEI) supplies EMD, GE, and ALCO diesel engines and parts to domestic and international locomotive, marine propulsion, and power generation industries. HEI reclaims locomotives for salvage and to remanufacture the components; offering OEM rebuilders, aftermarket rebuilders, and end-users Running Take Out (RTO) diesel engines, internal engine components, generators, main alternators, electrical components, air compressors, air brake components, etc. For information on HEI visit


uniparLogoSince 1981, UNIPAR has been providing diesel engine power packs, parts and components to industries driven by diesel power. Unipar already provides to an extensive list of clients from the locomotive, marine, and stationary power generation industries. For more information on Unipar please visit


LRTP - Semi truck parts - A Hilliard CompanyLittle Rock Truck Parts LLC., located in North Little Rock, AR is a used semi-truck and high speed diesel engine shop. LRTP specializes in Detroit, Cummins, Caterpillar, and many more diesel engine brands. LRTP also has many more parts for semi-trucks like Freightliner, Volvo, Kenworth, Western Star, and many more. For more information on LRTP please visit their website at





Little Rock Truck Parts currently has a new website that is under construction! Please check back often to look for the new websites!

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