2018 PACCAR MX13, Truck Tractor, Engine Assys, Fits to: Kenworth T680, (Used) 2017 PACCAR MX-13, ENGINE ASSEMBLY- Family Number: Unknown, Displacement: 12.9L, Horsepower: Unknown, Serial Number: Unknown, Part Number: Unknown, E C.S.: Unknown, 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 TBD, Serial# TBD, Truck Year 2018 1XKYAP8X5JJ209857