(GOOD USED/ RUN TESTED/ FULLY INSPECTED) 1989 Caterpillar 3406B Diesel Engine (AIR TO AIR) (Mechanical Fuel Pump), NEW HEAD GASKET, NEW FRONT COVER GASKET, NEW INJECTORS CUPS AND INJECTOR SEALS, NEW FRONT AND REAR MAIN SEAL, Serial # 4MG77999, AR # 7E9816, 425HP @ 2100RPM, TEST RUN WATCH VIDEO ON JJ REBUILDERS, Fully Inspected!!! Runs Perfect!!! Visit JJREBUILDERS for more information on this engine or any other diesel engine you may be looking for. Call . REF INV # 005873
