Working Weight

2,730 lbs

1,240 kg

Recommended Carrier Weight

14 - 21 US tons

12.7 - 19 metric tons

The?GH7 hydraulic hammer is compatible with backhoes and/or excavators in the?14-21?ton range.? Visit the?Attachment Wizard?to see which hydraulic breakers are compatible with your carrier!



Hydraulic Hammer Service Videos??Hydraulic Hammer Operation Videos??Hydraulic Hammer Photo Galleries??Hydraulic Hammer Publications

Visit and subscribe to?NPK's YouTube channel?for?hydraulic hammer operation and service?videos?and videos of?hydraulic breakers in action! ?

Visit NPK's photo website for searchable?hydraulic hammer photo galleries!

Visit the Hydraulic Hammer Publications page for sales brochures, operators manuals, and service bulletins. ?If you require a service manual or would like a hard copy of any other manual, please contact the Sales Department at 800-225-4379 or email to


Videos de servicio

Visita y suscríbete al canal de YouTube de NPK para videos de?instrucciones de servicio para martillos hidráulicos.

NPK offers a wide variety of accessories for hydraulic hammers:

  • Tools
  • Autolube Systems
  • Dust Suppression Kits
  • Grease
  • Quick Disconnects
  • Underwater Kits


For more about all types of hammer accessories, visit the Hammer Accessories Page.

Visit the?Hammer Accessory Publications page for related?
sales brochures, operators manuals and sales bulletins.


Find a Dealer

Additional Images:

Impact Energy Class 2,500 ft lbs
Impact Frequency 400 - 750 bpm
Oil Flow 26 - 48 gpm 100 - 180 lpm
Operating Pressure 2,600 psi 180 bar
Tool Diameter 4.6 in 116 mm
Tool Working Length 23 in 583 mm