Light/medium Duty Hydraulic Hammers (hydraulic Breakers). Working Weight - 390 Lbs. Energy Class - 600 Ft. Lbs. Tool Diameter - 2.36" Oil Required - 6-13 Gpm Operating Pressure - 1,300 - 1,740 Psi Impact Frequency - 550 - 1100 Bpm Oil Hose Inside Diameter Required - 1/2" Recommended Carrier Weight - 3,300 - 8,800 Lbs. Includes Std Mounting Cap, Hyd Hoses, 1 Tool Bit, Tool Kit, Manual, One Year Warranty