Find robust Cummins 5.9L/6B Diesel Engines in Long Block or Complete Drop-In configurations. Ideal for pickup trucks, buses, yard tractors, and walk-in vans, these engines are assembled in the USA with OEM-grade components for lasting performance.

Find robust Cummins 8.3L/6C Diesel Engines in Long Block Premium or Complete Drop-In configurations. Ideal for a wide range of on-highway trucks (Ford, Kenworth, Freightliner, Peterbilt, Volvo) and off-highway industrial applications (construction, agriculture, mining, forestry), all proudly assembled in the USA.

Find versatile Cummins 5.9L QSB/ISB Diesel Engines in Long Block or Complete Drop-In configurations. Ideal for walk-in vans, buses, yard tractors, conventional cabs, and QSB for construction/industrial uses, all proudly assembled in the USA.

Find robust Cummins M11 10.8L Diesel Engines in Basic Long Block configuration. These inline-6 engines (1994-end of production, including CELECT Plus and ISM variants) deliver 280-500hp for heavy-duty trucks, buses, and industrial applications, all proudly assembled in the USA.

Find reliable Cummins ISC 8.3L Inline-6 Diesel Engines in Basic Long Block (BLB) configuration, covering 1996-2012 models (CM554, CM850, CM2150, CM2250). Ideal for medium-duty trucks, buses, RVs, marine, generators, and heavy equipment. Price varies by application.