2013 Peterbilt 388. 600HP 2050TQ Cummins ISX15. 18 Speed Transmission. 46,000LB Full Locking Rears. 20,000LB Steerable Air Lift Axle. 20,000LB Steer Axle. Only 671,000 Original Miles. Double Framed. NeWay Air Ride Suspension. Disc Brakes. Dual Line Wet Kit. Loaded Interior. Leather Seats. Gauge Package. Factory Touchscreen Display. Long Track Air Slide Fifth Wheel. Aluminum Rear Fenders. 11R24.5 Tires. Engine Brake. Dual Stacks. Dual Breathers. Clean Peterbilt 388