(Used) 2018 Detroit (AT), TRANSMISSION ASSEMBLY- Model: DT12-OA, Serial Number: 716330E0053027, Part Number: D7163300000027, Engine: Detroit DD13, 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