2019 Peterbilt 389. Cummins X15. 18 Speed Transmission. Only 506,000 Original Miles. 40,000LB Full Locking Rears. 14,320LB Steer Axle. Air Trac Suspension. Disc Brakes. Loaded Interior. Leather Seats. Gauge Package. Concert Class Stereo. Air Slide Fifth Wheel. 11R24.5 Tires. Rear Poly Half Fenders. Engine Brake. Cruise Control. Dual Stacks. Dual Breathers. Clean Peterbilt 389