New GH12

NPK Hammers
GH12
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The GH12 hydraulic hammer is compatible with excavators in the 28-43 ton range. Compatible on John Deere excavator sizes 250-380, with the most common size being the 300


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Working Weight 6,135 lbs 2,785 kg
Recommended Carrier Weight 28 - 43 US tons 25.4 - 39 metric tons
Impact Energy Class 5,500 ft lbs
Impact Frequency 380 - 480 bpm
Oil Flow 45 - 58 gpm 170 - 220 lpm
Operating Pressure 2,650 psi 183 bar
Tool Diameter 5.7 in 146 mm
Tool Working Length 25.6 in 650 mm

NPK GH12 Hydraulic Hammer - Sizing Concrete

NPK GH12 Hydraulic Hammer with Hammer Mounted Autolube