2016 Detroit DT12-DA, Truck Tractor, Transmission Assys, Fits to: Freightliner Cascadia 125, (Used) 2015 Detroit, TRANSMISSION ASSEMBLY- Model: DT12-DA Serial Number: 71537401561795 Engine: Detroit DD15 For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Serial# 71537401561795, Casting# 71537401561795, Truck Year 2016 3AKJGED51GDHM2231