2001 Meritor/Rockwell RS23-160, Truck Delivery, Axles, Complete Rears, Fits to: International 4900, (Used) 2001 International 4900, COMPLETE REAR DIFFERENTIAL- Make: Meritor, Model: RS23-160, Ratio: 4.56, Capacity: 23,000 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 4.56, Serial# TBD, Hub Bolts 10 1HTSDAAR91H382938