2017 Detroit DT12-DA, Truck Tractor, Transmission Assys, Fits to: Freightliner Cascadia 125, (Used) 2016 Detroit (AT), TRANSMISSION ASSEMBLY- Model: DT12-DA Serial Number: 71537401751011 Engine: 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# 71537401751011, Casting# 71537401751011, Truck Year 2017 3AKJGLDR9HSHZ6784