The Vestil AIR-J air Powered Forklift Jack has an air assist motor that quickly raises the saddle to the lift point and then lifts load to the desired work height. The maximum capacity is 44,000 LBS. This powerful air jack uses a standard coupler hook-up for attachment to air compressor. Features an easy to operate air regulator control lever handle. The pressure relief valve on the Vestil AIR-J is located on top of handle for metered control and quick load height adjustment. Rolls easily to where its needed on oversized rear wheels.