2020 Detroit DT12-OA, Truck Tractor, Transmission Assys, Fits to: Freightliner Cascadia 126, (Used) 2019 Detroit (AT), TRANSMISSION ASSEMBLY- Model: DT12-OA, Serial number: 715384G2226223, Part Number: A 960 260 72 02, Engine: Detroit DD15, Reference images for condition. For more information about this item, give us a call. We we ship worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Serial# 715384G2226223, Casting# 715384G2226223, Truck Year 2020 3AKJHHDR8LSLG4909