Remanufactured Diesel Engines & Long Blocks

Engines Factory supplies premium remanufactured diesel engines, long blocks, drop-in engines, and complete diesel power solutions for trucks, construction equipment, agricultural machinery, marine applications, industrial equipment, and commercial fleets. We offer diesel engines from Cummins, Caterpillar, Detroit Diesel, Duramax, Ford Power Stroke, International, Kubota, Mitsubishi, Perkins, Volvo, and other leading manufacturers. Available in long block, drop-in, and complete engine configurations with warranty options, expert support, and nationwide shipping. Use the filters below to quickly find the right diesel engine and request a quote today.