Jet PTW-2748 27X48 6000 lb Pallet Truck Capacity: 6, 000 pounds; one-piece cast iron pump has a built-in valve that lowers the material in a controlled decent Turning radius: 200 degrees; poly over aluminum 7 x 2 inch steer wheels ensure contact with uneven floors Overload protection ball valve prevents lifting loads past maximum capacity; steer wheels feature double sealed lubricated bearings Top-stroke release valve prevents cylinder extension beyond maximum height Chrome-plated pump piston and ram provide corrosion resistance in any industrial environment