2016 Cummins ISX12, Truck Delivery, Engine Assys, Fits to: Peterbilt 365, (Used) 2015 Cummins ISX12, ENGINE ASSEMBLY- Family Number: FCEXH0729XAE, Displacement: 11.9L, Horsepower: 320, Ar.No./CPL: 4589, Serial Number: 75044061, Part Number: E6M7A99CH2676S6362, E.C.S: EGR, PTOX, SCRC, Mileage: 159751, 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 320, Serial# 75044061, Casting# 75044061 1NPSL70X3GD352300