Navistar A450MT 6 Cylinder 12.4 L Ultra Low Sulfur Diesel 450 hp Engine, 2015 US EPA Label, Requires Diesel Exhaust Fluid, 15583 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller Automatic Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Air Ride Cab, Aluminum Wheels, 11R22.5 Front Tires, 445/50R22.5 Super Singles Rear Tires, 4-Bag Air Ride Suspension, 185 in Wheelbase, Air Sliding 5th Wheel