2013 Isuzu R41, Truck Delivery, Rear Rears (Tandem Rear or Single), Fits to: Isuzu NRR, (Used) 2013 Isuzu NRR, DIFFERENTIAL GEARS ONLY- Make: Isuzu, Model: R41, Ratio: 5.85, Capacity: 13,660 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 5.85, Serial# TBD, Truck Year 2013 JALE5W168D7301883