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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 2,600 psi 179 bar
Impact Frequency 400 - 550 bpm 400 - 550 bpm
Impact Energy Class ft lbs** 4,000  
Carrier Weight Range (tons) 23 - 33 US tons 20 - 30 Metric tons
Oil Flow 44 - 55 gpm 165 - 210 lpm
Working Weight 4,200 lb 1,900 kg
Tool Diameter 5.4 in 136 mm
Tool Working Length 24.5 in 622 mm

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