Machine description: Cat 6 Cylinder Diesel Engine, Eaton Fuller 8LL Transmission, Double Differential Locks, 20000 lb Front Axle, Air Ride Cab, 425/65R22.5 Front Tires, 11R22.5 Rear Tires, Dual Steering Boxes, Double Fram... more info about the 2013 Western Star 4800SB.