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Features

A better design that combines efficiency, reliability and serviceability.

  1. Excellent power-to-weight ratio
  2. Unique gas-charged piston maximizes hammer efficiency
  3. Simple, two-moving-parts design for reliability
  4. Separate ports for the NPK AutoLube system and an air line for underwater use
  5. Bottom tie rod nuts for easier serviceability (GH Models)
  6. Quick-change tool system with single round retainer pin
  7. Variety of tool configurations available
  8. Replaceable cylinder sleeves for easy, economical rebuild
  9. Tool bushings engineered for quick, easy replacement

Specifications

Operating Pressure 2,500 psi 172 bar
Impact Frequency 300 - 400 bpm 300 - 400 bpm
Impact Energy Class ft lbs** 12,000  
Carrier Weight Range (tons) 35 - 57 US tons 32 - 52 Metric tons
Oil Flow 58 - 77 gpm 220 - 290 lpm
Working Weight 7,800 lb 3,540 kg
Tool Diameter 6.5 in 165 mm
Tool Working Length 29 in 730 mm

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