2014 Peterbilt 388. Cummins ISX15. 10 Speed Transmission. Only 398,000 Original Miles. 40,000LB Rears. Air Trac Suspension. Loaded Interior. Leather Seats. Concert Class Stereo. Gauge Package. Air Slide Fifth Wheel. 11R24.5 Tires. Strobe Lights. Engine Brake. Cruise Control. Dual Stacks. Dual Breathers. Clean Peterbilt 388