2004 Spicer/Dana RS404, Truck Tractor, Rear Rears (Tandem Rear or Single), Fits to: International 8600, (Used) 2004 International 8600, REAR DIFFERENTIAL GEARS ONLY- Part Number: 509826, Serial Number: HN01096467, Make: Spicer, Model: RS404, Ratio: 3.70, Capacity: 20,000Lbs, 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 3.70, Serial# HN01096467, Casting# HN01096467 1HSHXAXR24J090073