(Used) 2016 Western Star 5700, TANDEM CUTOFF- Make: Detroit Axle, Model: DA-RT-40.0-4 Ratio: 3.08, Brake Type: Air Wedge Hub Bolts: 10 For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PRTS) 929 W PULASKI HWY ELKTON, MD 21921