2016 Meritor/Rockwell MT4014X, Truck Tractor, Tandem Cutoffs, Fits to: Mack CXU613, (Used) 2016 Mack CXU613, TANDEM CUTOFF- Make: Meritor, Model: MT4014X, Capacity: 20,000 Lbs, Ratio: 3.36, Hub Bolts: 10, Brake Type: Drum, 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 3.36, Serial# Other, Casting# Other 1M1AW07Y7GM055871