KG520/KG520H Down the hole Drill Rig, Designed for Large and Medium-sized Quarries and Contractors


The KG520/KG520H down the hole drill rig is designed for large and medium-sized quarries and contractors. The drill rig features a folding frame track and four wheel drive. The track leveling and plunger piston walking motor improve the working pressure and climbing capacity of the unit. The expanded pitch and lifting-arm hydraulic cylinder allow the equipment to meet limiting position requirements. The rotary torque and revolving speed are optimized and a propulsion motor and chain are used to raise the lifting force and reliability. The dust collector attached is enlarged to increase capacity. A thickened profile folder is used for the housing, thus improving its level of intensity and rigidity. The additional ring makes handling and lifting more convenient. We are confident that the drill can stand up to any task, including quarrying/mining and wall control.

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Brief Parameters
Drilling diameter: Φ105-152mm
Depth of economical drilling: 25m
Method of Feed: Motor-roller chain
Feed stroke: 4150mm
Supporting power: /Yuchai 4DKC4G3-100(70KW/2200r/min)

Technical Parameters

Model of drill rigKG520KG520H
Weight of complete machine6500KG7000KG
Outer dimensions6800×2200×2850mm6800×2450×2850mm
Drilling Hardnessf=6-20
Drilling diameterΦ105-152mm
Depth of economical drilling25m
Rotary speed0-100rpm
Rotary torque3500N·m
Lifting force25KN
Method of FeedMotor-roller chain
Feed strock4150mm
Travelling speed0-4km/h
Climbing capacity≤30°
Ground clearance440mm
Tilt angle of boomDown: 135°, up: 50°, total: 185°
Swing angle of boomLeft: 50°, right: 50°, total: 100°
Pitch angle of drill boomDown: 50°, up: 25°, total: 75°
Swing angle of drill boomLeft: 45°, right: 45°, total: 90°
Leveling angle of track±10°
Compensation length of beam900mm
Supporting power4DKC4G3-100(70KW/2200r/min)/Yuchai 4DKC4G3-100(70KW/2200r/min)
DTH hammerK4
Drilling rodΦ76×3m or Φ89×3m
Air consumption15-22m³/min
Maximum height of horizontal hole2850mm
Minimum height of horizontal hole900mm


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