Engines | Mounts, , (GOOD USED) 2003 Cummins ISX-400ST Diesel Engine (EGR MODEL), 400HP @ 2000RPM, Serial # 79028936, CPL 8287, Service Model Name: CM870, Family # 3CEXH0912XAJ, Engine Configuration: D103004BX03, TEST RUN WATCH VIDEO ON JJREBUILDERS WEBSITE!!, Fully Inspected!!! LOW MILES!!! RUNS GREAT!!!! visit JJREBUILDERS for more information on this motor or any other diesel engine. Call for more information 1-800-971-3019 INV # 003941