Working Weight

25,070 lbs

11,370 kg

Recommended Carrier Weight

120+ US tons

109+ metric tons

The GH50 hydraulic hammer is the largest in NPK's line and is compatible with 120+ ton excavators.  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 20,000 ft lbs
Impact Frequency 210 - 280 bpm
Oil Flow 92 - 119 gpm 350 - 450 lpm
Operating Pressure 2,600 psi 180 bar
Tool Diameter 8.4 in 214 mm
Tool Working Length 39.7 in 1,008 mm