Model No. : MD120 DTH Hammer

Type : Crawler Drill Machines

MD120 DTH Hammer

 

MD120 DTH Hammer

Technical Specifications:

W/o bit : 980.0 mm
Outside dia : 107.0 mm
Weight : 47.0 kg
Cylinder bore : 88.0 mm
Piston stroke: 80.0 mm
Piston weight : 10.5 kg
Hole sizes : 120-140 mm
Wrench size A/F : A/F 74.5 mm / W-40.0 mm
Suitable shank : 4 3/4in K4 Button Bit
Air Consumption : 230 cfm @ 150 psi
400 cfm @ 200 psi
580 cfm @ 250 psi
730 cfm @ 300 psi

Ordering Part No.

4 ¾ in 5142 114 000

Key Features

  • Optimal for hard and abrasive rocks
  • Heavy-duty or reversible casting for long life
  • Advanced shank design for maximum energy efficiency
  • High penetration rate
  • Low running and maintenance costs
  • Control tube sub assembly is used for guiding piston which minimizes the service requirements
  • Hammer is inbuilt with buffer ring which will sustain the compressive load generated from drill string

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