2020 Peterbilt 389. 565HP Cummins X15. 18 Speed Transmission. Only 414,000 Original Miles. 46,000LB Full Locking Rears. Double Framed. Air Trac Suspension. Loaded Interior. Leather Seats. Gauge Package. Concert Class Stereo. Air Slide Fifth Wheel. 11R24.5 Tires. Poly Rear Quarter Fenders. Aluminum Headache Rack. Engine Brake. Cruise Control. Dual Breathers. Clean Peterbilt 389