1.Specificatoin (1) Weight: 1802kg (2) Chisel Diameter: f140 mm (3) Suitable excavator: 18-26 ton 2.hammer suitable for CAT320,325,KOMATSU PC200,PC220,ECT 3.Warranty (1) 12 months or (1500 hrs): Cylinder,Piston,Valve, Back head * (2) 06 month or (1000 hrs): Front head * (3) 03 month or (500 hrs): Front bush, Brackets * (4) 01 month or (100 hrs): Chisel Pin, Accumulator *