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A Kentucky Corporation Since 1911

Working Hard to Keep You Moving!

Started in 1911, as Republic Welding Company, today Republic Diesel is a multi-faceted company providing complete engine machining services to the mining, natural/landfill gas, marine, construction, forestry, agricultural, trucking and heavy equipment industries.  Our 100+ years in business reflects our long-term commitment to providing the finest in services to our customers. We have a strong reputation for going beyond the norm. We consider our greatest asset to be a company-wide attitude of uncompromising dedication to quality.  We are motivated by an ambition to exceed our own expectations. You can see our company philosophy in the attitude of all of our friendly, professional employees.

Republic Diesel services all makes of diesel and natural gas engines, crankshafts, camshafts, cylinder blocks, cylinder heads, and connecting rods.   We specialize in the Caterpillar 3500 series blocks as well as provide complete service on driveline repair.  Additionally, we provide remanufactured undercarriage components including spindles, hubs, brake anchors, equalizer bars, bogies (major and minor), and pivot shafts.