1997 Meritor/Rockwell RS17-145, Truck Delivery, Rear Rears (Tandem Rear or Single), Fits to: Ford F800, (Used) 1997 Ford F800, DIFFERENTIAL GEARS ONLY- Make: Meritor, Model: RS17-145, Ratio: 4.33, Capacity: 17,500 Lbs, 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, Ratio 4.33, Serial# AVA96142411, Truck Year 1997 1FDWF80C3VVA25109