2017 Meritor/Rockwell Other, Truck Tractor, Complete Axle-Front Rears, Fits to: Kenworth T680, (Used) 2017 Kenworth T680, COMPLETE FRONT REAR TANDEM- Make: Meritor/Rockwell, Model: MT4014X3, Ratio: 3.08, Capacity: 20,000 Lbs, 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 3.08, Serial# TBD, Casting# TBD 1XKYDP9X1HJ169194