2016 Detroit DT12-OA, Truck Tractor, Transmission Assys, Fits to: Freightliner Cascadia 125, (Used) 2015 Detroit (AT), TRANSMISSION ASSEMBLY- Model: DT12-OA, Serial Number: 71537401642009, Part Number: C07-00052-049, 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# 71537401642009, Truck Year 2016, VIN 3AKJGLDR1GSHF1655 3AKJGLDR1GSHF1655