Engines | Mounts, , (USED) 1991 Caterpilllar 3406B Diesel Engine with Jake Brakes, Serial # 3ZJ01161, 425HP @ 1800RPM, 391,771 Miles, Test Run 7-21-15, 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 # 002559