6 Cylinder Diesel Engine, Air Conditioner, Cruise Control, Allison Automatic Transmission, 12000 lb Front Axle, 32000 lb Rears, 32000 lb GVWR, Air Ride Cab, 11R22.5 Front Tires, 11R22.5 Rear Tires, Air Ride Suspension, 159 in Wheelbase, Dual Fuel Tanks