(Used) 2018 Western Star 5700, TANDEM CUTTOFF- Part Number: QA6813506130, Serial Number: AAC16 182776, Make: Detroit, Model: DA-RT-40.0-4, Ratio: 3.08, Capacity: 40,000 Lbs, Hub Bolts: 10, Brake Type: Disk, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921