2018 Detroit DT12-OA, Truck Tractor, Transmission Assys, Fits to: Freightliner Cascadia 126, (Used) 2017 Detroit (AT), TRANSMISSION ASSEMBLY- Model: DT12-OA, Serial Number: 716330E0040814, Part Number: C07-00052-090, Engine: Detroit DD15, Reference images for condition 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# 716330E0040814, Casting# 716330E0040814, Truck Year 2018 3AKJHHDR7JSKC9661