Light/medium Duty Hydraulic Hammers (hydraulic Breakers). Working Weight - 830 Lbs. Energy Class - 1250 Ft. Lbs. Tool Diameter - 2.95" Oil Required - 10-21 Gpm Operating Pressure - 1,470 - 2,058 Psi Impact Frequency - 475 - 950 Bpm Oil Hose Inside Diameter Required - 1/2" Recommended Carrier Weight - 11,000 - 19,800 Lbs. Includes Std Mounting Cap, Hyd Hoses, 1 Tool Bit, Tool Kit, Manual, One Year Warranty