Remanufactured engines are "like brand new" and configured to exact tolerances. Remanufacturing means to bring the engine back to OEM spec which not the same as a lesser "refurbishing" or "rebuilt" classification. Usually, the cylinder head and injectors are remanufactured and the blocks if needed. The majority of the parts are brand new especially the critical wear parts. The remanufactured NT 855 Engine has a new cylinder block, PTG Pump, pistons, liners, piston rings bearings, camshaft, turbo, valves rocker arms and more.
These engines have gone through a complete overhaul and has been remanufactured with roughly 90% new Cummins parts 10% aftermarket. We offer 855 Big Cam III and 855 Big Cam IV options up to 400 HP depending on fit an application. The Cummins 855 Big Cam Complete Engine is considered a more complete option for re-powers where an old worn out assembly is being replaced. Our 855 Reman Engines are regarded as "extended long blocks" which are effectively whole engine assemblies.
855 Big Cam Engines are mostly suited for industrial and agricultural applications however assemblies can be used for automotive/over the road truck scenarios. All of our Cummins 855 Big Cam Engines are built back to OEM specs or offered as direct new casting replacements. We offer a couple of different solutions when it comes to Cummins 855 Big Cam Engine Replacements: long block engines and remanufactured extended long block options. Replacement Cummins 855 Big Cam Engines For Sale