1999 Meritor/Rockwell RS26180, Fire Truck , Rear Rears (Tandem Rear or Single), Fits to: Pierce Saber, (Used) 1999 Pierce Saber, DIFFERENTIAL GEARS ONLY- Part Number: 40-4024-563, Serial Number: NKA98045404, Make: Rockwell International, Model: RS26180, Ratio: 5.63, Capacity: 27,000 Lbs, 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 5.63, Serial# NKA98045404, Casting# NKA98045404 4P1CT02U5XA000881