2013 Mack MP8, Truck Tractor, Engine Assys, Fits to: Mack CXU613, (Used) 2012 Mack MP8, ENGINE ASSEMBLY, Family Number: CVPTH12.8S01, Displacement: 12.8L, Horsepower: 435, Serial Number: 1001280, Part Number: 21790601, E.C.S.: TC, CAC, EGR, DDI, ECM, DOC, PTOX, SCR, AMOX, 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 435, Serial# 1001280, Casting# 1001280 1M1AW07YXDM023833