2015 Spicer/Dana DSP40/RSP40, Truck Tractor, Tandem Cutoffs, Fits to: Kenworth T880, (Used) 2015 Kenworth T880, TANDEM CUTTOFF- Make: Spicer/Dana, Model: RSP40, Serial Number: HN04653201, Part Number: 511329, Custom Number: C2-1AH3HA3000000001, Capacity: 52,000Lbs, Ratio: 3.55, 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 3.55, Serial# HN04653201, Hub Bolts 10 1XKZDP9X7FJ471297