Engines | Mounts, , (USED) 1984 Caterpilllar 3406B Diesel Engine (Watercooled), Serial # 7FB06507, 350HP @ 1800RPM, AR#4W2353, FULLY INSPECTED, Test Run 7-30-15!!! Runs Perfect!!! Visit JJREBUILDERS.COM for more information on this engine or any other diesel engine. Call 1-800-971-3019. INV # 002584