Engines | Mounts, , (USED) 2004 Cummins ISX-435ST Diesel Engine (EGR-Model), Serial # 79047859, Engine Family # 4CEXH0912XAJ, CPL 8520, CM870, 435HP @ 2000 RPM RATED, Engine Configuration D103004BX03, TEST RUN, 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 # 004016