(Used) 2013 Peterbilt 386, TANDEM CUTTOFF- Part Number: 514537, Make: Spicer/Dana, Model: DSP40, Capacity: 40,000Lbs, Ratio: 4.55, Hub Bolts: 10, Brake Type: Air 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