Cat 3406 14.6 L Diesel 425 hp Engine, Air Conditioner, Engine Brake, Eaton Fuller 13-Speed Manual Transmission, Differential Lock, 20000 lb Front Axle, 400000 lb Rears, 65000 lb GVWR, 425/65R22.5 Front Tires, 11R22.5 Rear Tires, Air Lift Tag Axle, Hendrickson Suspension, 277 in Wheelbase, PTO, Rear Mounted, 10 ft - 26 ft 2 Section Boom, A-Outriggers, Rear Outriggers, 26 ft x 102 in Bed, Pintle Hitch