Engines | Mounts, , (USED) 2005 Cummins ISX-400ST Diesel Engine (EGR Model), Serial # 79126400, Engine Family # 5CEXH0912XAJ, CPL 8520, 400@2000 RPM RATED, TEST RUN 8-30-16, Fully Inspected!!! LOW MILES!!! RUNS GREAT!!! NICE LOOKING ENGINE!! visit JJREBUILDERS.COM for more information on this motor or any other diesel engine. Call for more information 1-800-971-3019. INV # 003018