(Used) 2015 Mack (REMAN), TRANSMISSION ASSEMBLY- Model: ATO1226D Serial Number: 12979761803 Part Number: 85013440 Engine: Mack MP8, 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