2021 Western Star 4900. 525HP Cummins X15. 18 Speed Automatic Transmission. Only 444,000 Original Miles. 40,000LB Full Locking Rears. Steerable Air Lift Axle. Air Ride Suspension. Loaded Interior. Leather Seats. Gauge Package. Air Slide Fifth Wheel. Like New 11R22.5 Tires. Engine Brake. Cruise Control. Dual Stacks. Dual Breathers. Clean Western Star 4900