2014 Peterbilt 579 72" mid roof Single bunk sleeper tractor with a Paccar MX-13 motor, 485hp, 13 Spd Ultra-Shift Automatic Transmission, 3.42 Rear ratio, 13200lb front axle, 40000lb rear axles, (2) 120 gal fuel tanks, 295/75R22.5 tires on Aluminum wheels, air ride suspension, Air-Slide 5th wheel, Air Suspension Dump valve in cab, Diff lock, Traction Control, PW locks and windows, Navigation, Fridge in bunk, 781K miles - Great running truck ready to work!!