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Cummins ISX Remanufactured Diesel Engine

Cummins ISX Remanufactured Diesel Engine


We offer a variety of both, over the road truck and industrial replacement engines for the Cummins ISX. Our remanufactured Cummins ISX engines come as a 3/4 long block and are not running trim condition. Our remanufacturing process strips the core down to the bare block whereas the camshaft, crankshaft, engine block, connecting rods and cylinder head are all built back to original OEM spec. The long block is then finished with new aftermarket gaskets, liners, bearings, pistons and rings.

Cummins ISX Remaufactured Long Block Engine Includes:

  • Reman Engine Block
  • Reman Cylinder Head
  • New Pistons
  • Reman Connecting Rods
  • Reman Camshaft and Lifters
  • Reman Crankshaft
  • Intermediate Cover
  • Timed Front Gear Group
  • Includes gaskets, liners, rings and ancillary components
  • Fuel Pumps, Turbos, Injectors, Manifolds, Pan are available for additional purchase
  • 1 Year Parts and Labor Warranty (Unlimited Hours or Miles)
  • Extended Warranties Available
  • NOTE: Pricing is for dual camshaft long block, call for single cam pricing
  • NOTE: Core Charge is applied after sale


Common CPLs (Critical Parts List): 2732, 2734, 2816, 2825, 2919, 2965, 3719, 4583, 8258, 8283, 8518, 8519, 8520


Cummins ISX15 Specs:

  • Displacement – 15.0 L Displacement
  • Cylinders – 6
  • Type- Electronic
  • Combustion – Direct Injected
  • Horsepower – 358-650 HP
  • Max Torque – 1450-2050 ft-lbs @1000 RPM
  • Optimal Running Speed – 2000-2100 RPM
  • Bore & Stroke – 5.39 x 6.65 in (137 x 169mm)
  • Compression Ratio: 17:2:1
  • Aspiration – Charge Air Cooled
  • Weight – 3021 lbs approx, dry
  • Oil Capacity – 56 quarts
SKU: BBENG41 Categories: ,
You’ve come to the right place for all of your heavy duty diesel engine needs. We here at Big Bear Engine Company are old school machine shop guys that know the value of your time whether it be out in the field for an industrial job or at play with an off-road engine swap. We are old school machine shop guys and guarantee the workmanship of all of our engines including our Cummins ISX Remanufactured Diesel Engines.

Availability: In Stock



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