(Used) 2017 Mack, TYRANSMISSION ASSEMBLY- Model: ATO2612F, (SP 60150839) Service Category: 5, Comp. ID: 77037279, Serial Number: 0710847143, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921