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.

Unipar logoSince 1981, UNIPAR has been providing diesel engine power packs, parts and components to industries driven by diesel power. With an extensive list of clients from the locomotive, marine, and stationary power generation industries, UNIPAR is capable of handling high volume demanded by large customers as well as delivering the special requirements of smaller independents. For more information on Unipar please visit


AdvTurboTech logoWHITEAdvanced Turbo Technology specializes in the remanufacture and repair of EMD,GE, and ALCO turbochargers for large diesel applications. Advanced Turbo also has the experience to handle application conversions such as locomotive to marine or locomotive to industrial applications. For more information on Advanced Turbo 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





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