New Gorilla GX135 Hydraulic Hammer – Impact Energy: 5,000 ft. lbs – Operating Weight: 4,000 lbs – Blows per minute: 400-800 bpm – Tool Diameter: 5.3 inches – Weight of Carrier: 18-26 ton – Oil Flow Rate: 33-40 gallons per minute – Operating Oil Pressure: 2,300-2,600 psi – Aux. circuit relief: 3,100 psi – Oil hose diameter: 1″