Diesel & natural gas

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Prime Engine strives to provide superior quality engines to all our customers.  This is achieved by maintaining close tolerances recommended by Original Equipment Manufacturer' specifications, assembling of new parts and remanufactured components performed by highly skilled tradesmen.  

We can offer our stock engines and/or perform custom rebuilt & repair to bring your engine to factory specifications.  We also offer a variety of new parts and components.

Our process guarantees unsurpassed quality in a remanufactured engine:

Engine cores are inspected and completely dissembled. Major components, such as engine blocks, cylinder heads, crankshafts, connecting rods and camshaft are retained for remanufacturing.  The engine block, cylinder head and crankshaft are hot  tanked and cleaned. All blocks, con rods, cams and heads undergo a thorough magnetic particle inspection.  The blocks  are bored oversize, with sleeves installed as needed and then align honed to bring blocks back to standard  specs. Block deck surfaces' are milled to provide for both straightness and a proper surface for gasket retention.  Cylinders are plateau honed to provide required surface finish and crosshatch. The blocks then go through a extensive cleaning process. All new cam bearings, oil galley plugs, freeze plugs and cam plugs are installed. Reground or new camshafts are installed. A remanufactured crankshaft is installed with new bearings; rear seal and main caps are torqued to oem's specifications. The remanufactured connecting rods are  installed with the new pistons, rings and bearings,  torqued to oem's specifications. All long blocks have the heads torqued to original equipment manufacturer's specifications. After assemble, the engine is tested on a Spin Tester to verify oil flow and compression.