Engines | Mounts, , (USED) 2004 Cummins ISX-435ST Diesel Engine (EGR-Model), Serial # 79069038, Engine Family # 4CEXH0912XAJ, CPL 8520, 435HP @ 2000 RPM RATED, TEST RUN 1-6-16, Fully Inspected!!! LOW MILES!!! RUNS GREAT!!! visit JJREBUILDERS.COM for more information on this motor or any other diesel engine. Call for more information 1-800-971-3019. INV # 002774