Detroit Series 60 6 Cylinder 12.7 L 470 hp Engine, 1994 US EPA Label, Eaton Fuller 18-Speed Manual Transmission, Double Differential Locks, 40000 lb Front Axle, 44000 lb Rears, 84000 lb GVWR, Aluminum Wheels, 425/65R22.5 Front Tires, 11R24.5 Rear Tires, Air Lift Pusher Axle, Air Lift Tag Axle, Air Ride Suspension, 315 in Wheelbase, PTO, Double Frame, 17900 kg Capacity, Front Mounted, 13 ft 9 in - 37 ft 8 in 5 Section Boom, Hydraulic Extendable Jib, Out and Down Outriggers, 12 ft x 103 in Bed, Pintle Hitch