2013 Meritor/Rockwell MT40-14X, Truck Tractor, Rear Rears (Tandem Rear or Single), Fits to: International TranStar 8600, (Used) 2013 International TranStar 8600, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Make: Meritor, Model: MT4014X, Ratio: 3.55, Capacity: 20,000 Lbs, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Ratio 3.55, Serial# TBD, Truck Year 2013 1HSHXSJR9DJ113749