KG920BIII/KG920BHIII Down the hole Drill Rig for Open Use


The KG920BIII/KG920BHIII down the hole drill rig for open use is an improved device in compliance with national regulations on environmental protection. Equipped with the Yuchai engine (China III), the drill rig meets national standards for emissions and environment.

Product Applications Product Features Technical Parameters Related Products


The KG920BHIII down the hole drill rig for open use is equipped with a dust collector, thus making operation more environment-friendly and reliable.

The tramming motor of plunger piston and four-wheel drive improve the working pressure and climbing capacity.The expanded pitch and lifting-arm hydraulic cylinder enable it to meet the requirements of limiting position use.Meanwhile,the hydraulic system is improved,thereby proving increased system flow and rotary speed.The hydraulic cylinder has been optimized,thus making it more more reliable.The guide rail is installed in an inclined way,making operations and observations easier.The thickened profile isn used for the housing;and the additional ring makes handing and lifting convenient.

Brief Parameters

Drilling diameter :Φ90-115mm

Depth of economical drilling :25m

Method of Feed:Oil cylinder-leaf chain

Feed stroke: 3780mm

Supporting power:Yuchai YC4R23T8-80(59KW/2400r/min)

Detail features

  • Easy Used Control Panel


  • High torque gyrator


  • Stable hydraulic system


  • Steel track adaptable to all terrains


Recommended Air Compressors

Diesel engine portable screw air compressor:

Kaishan LGCY-12/10

Kaishan KSCY-580/13

Technical Parameters

Model of drill rig KG920BIII KG920BHIII
Weight of complete machine 4200KG 4400KG
Outer dimensions 5600×2400×2300mm 5600×2600×2300mm
Drilling Hardness f=6-20
Drilling diameter Φ90-115mm
Depth of economical drilling 25m
Rotary speed 0-110rpm
Rotary torque(Max) 1650N·m(Max)
Lifting force 18KN
Method of Feed Oil cylinder-leaf chain
Feed strock 3780mm
Travelling speed 0-2.5km/h
Climbing capacity ≤30°
Ground clearance 350mm
Tilt angle of boom Down: 135°, up: 50°, total: 185°
Swing angle of boom Left: 100°, right: 45°, total: 145°
Pitch angle of drill boom Down: 50°, up: 25°, total: 75°
Swing angle of drill boom Left: 44°, right: 45°, total: 89°
Leveling angle of track ±10°
Compensation length of beam 900mm
Supporting power Yuchai YC4R23T8-80(59KW/2400r/min)
DTH hammer M30
Drilling rod Φ64×3m/Φ64×3m
Air consumption 9-17m3/min
Maximum height of horizontal hole 2750mm
Minimum height of horizontal hole 650mm
Recommended Air Compressors
Diesel engine portable screw air compressor: Kaishan LGCY-12/10
Kaishan KSCY-580/13
Kaishan LGCY-12/10
Kaishan KSCY-580/13
Note: Air compressor selection subject to hole dimameter and air hose length
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