Engines | Mounts, , (USED) 1988 Caterpilllar 3406B Diesel Engine (Air to Air), Serial # 4MG24779, AR # 9Y2353, 425HP @ 1800RPM, Low Miles, Test Run 11-5-15, Fully Inspected!!! Runs Perfect!!! Visit JJREBUILDERS.COM for more information on this engine or any other diesel engine you may be looking for. Call 1-800-971-3019. INV # 002713