Cummins ISL9 6 Cylinder Diesel 350 hp Engine, US EPA Label, Engine Brake, Allison 3000 Automatic Transmission, Differential Lock, 18000 lb Front Axle, 40000 lb Rears, 4.88:1 Axle Ratio, 58000 lb GVWR, Air Ride Cab, Aluminum Wheels, 425/65R22.5 Front Tires, 11R22.5 Rear Tires, Double Frame, Airliner Air Ride Suspension, 282 in Wheelbase, PTO, 28 ft Hoist, Winch, 98 In. x 28 Ft Deck