(Used) 1991 Ford LT8000, COMPLETE DIFFERENTIAL HOUSING ONLY- Make: Meritor/Rockwell, Model: RD20145NFNN175, Serial Number: AVA90078190, Part Number: FOHT4A375S009A, Ratio: 4.30, Capacity: 20,000Lbs, Hub Bolts: 6, 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