2015 Meritor/Rockwell RS23-160, Truck Tractor, Rear Rears (Tandem Rear or Single), Fits to: Freightliner M2 112 Medium Duty, (Used) 2015 Freightliner M2 112 Medium Duty, DIFFERENTIAL GEARS ONLY- Make: Meritor, Model: RS23-160, Ratio: 4.56, Capacity: 23,000 Lbs, Serial Number: FOR02828827, 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 4.56, Serial# FOR02828827, Truck Year 2015 1FUBC5CYXFHGK0813