2020 Detroit DD16, Truck Tractor, Engine Assys, Fits to: Western Star 4900EX, (Used) 2019 Detroit DD16, ENGINE ASSEMBLY- Displacement: 15.6L, Horsepower: 600 MAX Serial Number: 473910S0671299, Family Number: KDDXH15.6GED, E.C.S.: 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 600, Serial# 473910S0671299, Casting# 473910S0671299 5KJJABD17LPLS6893