Cummins 6 Cylinder 8.3 L Diesel 240 hp Engine, 2010 US EPA Label, 6,391.3 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Allison 3000 5-Speed Automatic Transmission, 12,000 lb Front Axle, 21,000 lb Rears, 5.29:1 Axle Ratio, 33,000 lb GVWR, Air Ride Cab, Steel, 295/75R22.5 Front Tires, 295/75R22.5 Rear Tires, Airliner Air Ride Suspension, 222 in Wheelbase, PTO, 1988 Trans Tech 2,800 gal Aluminum Tank, 1 Reels w/ Mechanical Register