2006 Dana DS404, Truck Tractor, Complete Axle-Rear Rears, Fits to: Kenworth W900, (Used) 2006 Kenworth W900, COMPLETE REAR REAR TANDEM- REMANUFACTURED- Make: Spicer, Model: DS404, Ratio: 3.55, Capacity: 20,000 Lbs, Hub Bolts: 10, Brake Type: Drum/Air Suspension, 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# TBD, Truck Year 2006 1XKWDB9X26J147437