2014 Meritor/Rockwell MT40-14X, Truck Tractor, Rear Rears (Tandem Rear or Single), Fits to: Mack CXU613, (Used) 2014 Mack CXU613, REAR DIFFERENTIAL GEARS ONLY- Make: Meritor, Model: MT4014X, Ratio: 3.08, Capacity: 20,000 Lbs, Part Number: 022013, Serial Number: FOR02207611, 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 3.08, Serial# FOR02207611, Truck Year 2014 1M1AW09Y1EM036338