Working Weight

13,295 lbs

6,030 kg

Recommended Carrier Weight

50 - 75 US tons

45.4 - 68 metric tons

The GH23 hydraulic hammer is compatible with excavators in the 50-75 ton range.  Visit the Attachment Wizard to see which hydraulic breakers are compatible with your carrier!




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 440-232-7900 or email to


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 13,500 ft lbs
Impact Frequency 300 - 400 bpm
Oil Flow 66 - 85 gpm 250 - 320 lpm
Operating Pressure 2,600 psi 180 bar
Tool Diameter 6.9 in 174 mm
Tool Working Length 34.6 in 880 mm