Mack MP7 6 Cylinder 10.8 L Ultra Low Sulfur Diesel Engine, 16019 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, 9-Speed Manual 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, Air Ride Suspension, 188 in Wheelbase