2000 Caterpillar C12, Truck Tractor, Engine Assys, Fits to: Kenworth T800, (Used) 1998 Caterpillar C12, ENGINE ASSEMBLY- WITH ENGINE BRAKE Serial Number: 9NS04284, Displacement: 11.9L, Horsepower: 399 (455), E.C.S.: EM, DI, TC, ECM, CAC, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Horse Power 455, Serial# 9NS04284, Truck Year 2000 1XKDDU9X7YJ851302