2016 Spicer/Dana DSP41, Truck Tractor, Front Rears (Tandem Front), Fits to: Kenworth T680, (Used) 2016 Kenworth T680, FRONT DIFFERENTIAL GEARS ONLY- Part Number: 514534, Serial Number: HN04788725, Make: Spicer, Model: DSP41, Ratio: 3.08, Capacity: 20,000 Lbs, 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 3.08, Serial# HN04788725, Casting# HN04788725 1XKYDP9X2GJ981781