2015 Western Star 4900SB. 600HP Detroit DD16. 18 Speed Transmission. 46,000LB Full Locking Rears. 20,000LB Air Lift Axle. 16,000LB Steer Axle. Only 270,000 Original Miles. Double Framed. Walking Beam Suspension. Three Line Wet Kit. Loaded Interior. Gauge Package. Air Slide Fifth Wheel. 11R22.5 Drives. 315/80R22.5 Steers. Aluminum Rear Fenders. Aluminum Headache Rack. Engine Brake. Cruise Control. Dual Stacks. Dual Breathers. Clean Western Star 4900SB