CUMMINS , (GOOD USED/ RUN TESTED/ FULLY INSPECTED) 2006 Cummins ISX Diesel Engine (EPA04), Engine Serial # 79163474, Service Model Name: CM870, Engine Family # 6CEXH0912XAJ, Engine CPL 8520, Engine Configuration: D103004BX03, Fully Inspected!!! LOW MILES!!! RUNS GREAT!!!! visit JJREBUILDERS for more information on this motor or any other diesel engine. Call for more information. REF INV # 005113