2015 Spicer/Dana DSP40, Truck Tractor, Tandem Cutoffs, Fits to: Kenworth T800, (Used) 2015 Kenworth T800, TANDEM CUTOFF, Make: Spicer, Model: DSP40, Ratio: 3.55, Hub bolts: 10, Brake Type: Air, Suspension: Airglide, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS), Ratio 3.55, Serial# Other, Casting# Other 3WKDD49X6FF453306