2020 Peterbilt 389. 525HP Cummins X15. 13 Speed Transmission. 40,000LB Rears. Steerable Air Lift Axle. Only 272,000 Original Miles. Air Trac Suspension. Steer Axle Disc Brakes. Dual Line Wet Kit. Loaded Interior. Gauge Package. Concert Class Stereo. Air Slide Fifth Wheel. 11R24.5 Tires. Stainless Steel Rear Quater Fenders. Engine Brake. Cruise Control. Dual Breathers. Clean Peterbilt 389