Paccar PX-9 6 Cylinder 8.9 L Diesel Engine, Allison 3000 Automatic Transmission, Differential Lock, 8501 kg Front Axle, 18144 kg Rears, 4.88:1 Axle Ratio, 26645 kg GVWR, Aluminum Wheels, 385/65R22.5 Front Tires, 11R22.5 Rear Tires, Steerable Air Lift Pusher Axle, Dual Steering Boxes, Double Frame, Air Ride Suspension, PTO, 26 ft Hoist, Winch, 98 In. x 27 Ft Deck, Hydraulic Deck Winch