Cummins ISX 6 Cylinder Diesel 500 hp Engine, 2006 US EPA Label, Positive Air Shutoff, Engine Brake, Eaton Fuller 18-Speed Manual Transmission, Triple Differential Locks, 40000 lb Front Axle, 53000 lb Rears, 72300 lb GVWR, Air Ride Cab, Aluminum Wheels, 445/65R22.5 Front Tires, 11R24.5 Rear Tires, Double Frame, Neway Air Ride Suspension, 300 in Wheelbase, PTO, 47 ton Capacity, Center Mounted, 92 ft 4 Section Boom, McKissick 291 lb 2 Sheave 20 ton Capacity Hook Block, ...