2013 Peterbilt 388. Cummins ISX15. 10 Speed Transmission. 40,000LB Rears. 14,320LB Steer Axle. Only 431,000 Original Miles. Air Trac Suspension. Dual Line Wet Kit. Loaded Interior. Concert Class Stereo. Leather Seats. Gauge Package. Air Slide Fifth Wheel. 11R24.5 Tires. Aluminum Rear Half Fenders. Engine Brake. Cruise Control. Dual Stacks. Dual Breathers. Clean Peterbilt 388