2022 Detroit DD15, Truck Tractor, Engine Assys, Fits to: Freightliner Cascadia 126, (Used) 2021 Detroit DD15, ENGINE ASSEMBLY- Family Number: MDDXH14.8TCO, Displacement: 14.8L, Horsepower: 455, Serial Number: 472912S0838554, ECS: DDI, TC, CAC, ECM, EGR, OC, PTOX, SCR-U, 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 455, Serial# 472912S0838554, Casting# 472912S0838554 3AKJHHDR4NSMT0590