D&J Precision Machine

D&J Precision Machine is a leader in the design, machining, and assembly of high-performance diesel engines. Specializing in remanufactured diesel engines for Dodge / Ram and other heavy-duty diesel platforms, they provide expertly machined, performance-ready engines and engine components for automotive, industrial, agricultural, and racing applications. Every engine that leaves their facility reflects their commitment to excellence.

With decades of hands-on experience and a deep understanding of diesel powertrains, D&J Precision Machine combines advanced CNC machining capabilities with meticulous engineering to deliver industry-leading engine builds and components. From block prep and cylinder head machining to custom billet components and full dyno-tested assemblies, D&J engines are built to perform at the highest level. Whether you're pushing for horsepower records on the track or seeking rock-solid reliability in the field, D&J engines are engineered to meet the demands of serious diesel power.

Backed by years of innovation and proven results, D&J diesel engines are trusted by heavy-duty operators and diesel enthusiasts alike. Shop a wide selection of D&J remanufactured diesel engines and cylinder heads at XDP today.