6 Cylinder 15 L Ultra Low Sulfur Diesel 450 hp Engine, Requires Diesel Exhaust Fluid, 15631 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Automated Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Air Ride Cab, Aluminum Wheels, 295/75R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Ride Suspension, 190 in Wheelbase, PTO, Air Sliding 5th Wheel, Headache Rack