Cummins ISX15 15 L 450 hp Engine, 2012 US EPA Label, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Manual Transmission, Differential Lock, 20000 lb Front Axle, 59400 lb Rears, 79400 lb GVWR, Aluminum Wheels, 445/50R22.5 Front Tires, 445/50R22.5 Super Singles Rear Tires, PTO, 50 ton Capacity, Center Mounted, 30 ft 6 in - 96 ft 4 Section Boom