2013 Meritor/Rockwell Other, Truck Delivery, Rear Rears (Tandem Rear or Single), Fits to: International WorkStar 7600, (Used) 2013 International WorkStar 7600, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Serial Number: FOR02116167, Part Number: F1015F08, Make: Meritor/Rockwell, Model: RR23160NCN2552 538, Capacity: 23,000Lbs, Ratio: 5.38, Hub Bolts: 10, 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, Ratio 5.38, Serial# FOR02116167, Casting# FOR02116167 1HTGRSJT3DJ419715