2012 Spicer/Dana DSP41, Truck Tractor, Tandem Cutoffs, Fits to: Kenworth T660, (Used) 2012 Kenworth T660, TANDEM CUTOFF- Make: Spicer/Dana, Model: DSP41, Ratio: 3.36, Hub Bolts: 10, Brake Type: Drum Brakes Fifth Wheel Sold separately!! Reference images for condition. 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 3.36, Serial# Other, Casting# Other 1XKADP8X3CJ318006