2007 Spicer/Dana DSP40, Truck Tractor, Complete Axle-Front Rears, Fits to: Kenworth T800, (Used) 2007 Kenworth T800, COMPLETE FRONT REAR TANDEM- Part Number: 511329, Serial Number: TBD, Make: Spicer, Model: DSP40, Ratio: 3.55, Capacity: 19,000 lbs, 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# TBD, Truck Year 2007 1XKDDU9X47J163675