2018 Peterbilt 389. Cummins X15. 10 Speed Transmission. Only 291,000 Original Miles. 40,000LB Full Locking Rears. Air Ride Suspension. Dual Line Wet Kit. Loaded Interior. Gauge Package. Air Slide Fifth Wheel. 11R24.5 Tires. Stainless Steel Rear Quarter Fenders. Engine Brake. Cruise Control. Dual Stacks. Dual Breathers. Clean Peterbilt 389