(Used) 1997 Ford F800, COMPLETE REAR DIFFERENTIAL- Make: Meritor, Model: RS17-145, Ratio: 4.33, Capacity: 17,500 Lbs, Hub Bolts: 10, Brake Type: Drum, Serial Number: AVA96142411, For more information about this item, give us a call.We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921