Paccar MX-13 6 Cylinder 12.9 L Ultra Low Sulfur Diesel 455 hp Engine, 2018 US EPA Label, Requires Diesel Exhaust Fluid, 15631.1 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Automated Transmission, 13200 lb Front Axle, 40000 lb Rears, 2.79:1 Axle Ratio, 53200 lb GVWR, Air Ride Cab, Aluminum Wheels, 275/80R22.5 Front Tires, 455/55R22.5 Super Singles Rear Tires, Paccar 4-Bag Air Ride Suspension, 193 in Wheelbase