Universal skid steer style hookup / Capacity: 4,000 lbs / 3,000 PSI cylinder * 3 adjustable grapple pin settings / Greasable pins and bushings * (3) 3.5" diameter grapple support bars / Hoses and flat faced couplers are included * Cylinder Back stoppers prevent the upper clamps from getting stuck in the upright position * Hose spring keeps the hydraulic hoses from getting pinched when in use.