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1.Hole range 80-105mm depth 20m or more, 2.Rotary Speed 65 rpm, 3.12 bar,200l/s, 4. Feeding force/Pull 15kN feed rate 0.3m/s - details see: https://www.machineto.com/coal-overburden-excavation-crawler-mounted-surface-drill-rig-with-dust-collector-smmegh3-kgh3-10313132

Coal Overburden Excavation Crawler Mounted surface drill rig with Dust Collector KGH3

Features

Powerful and reliable engine
Two-cylinder diesel engine,strong traction power and climbing ability,low machine vibration,smooth operation
Patented diesel engine intake regulating device (Patent No.: 2008820087606.3) plus the perfect combination of desert air filter and three step oil filters,enhancing drill rig's adaptability to harsh environment,extending the service life of the diesel engine

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Flexible boom
Boom,controlled by cylinders,can be adjusted drilling inclination and height of horizontal holes,expanding drilling scope,improving product adaptability.

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Reliable hydraulic pumps
Two independent gear pumps supplying oil, reliable, adaptable, and easy maintenance.
Gear driven and soft dedicated pipes,compact structure,smooth operation.

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Reliable hydraulic system
Dedicated hydraulic components and improving the stability and reliability of the system.
Additional oil cooling device, to eliminate the impact on the system of the heating of the hydraulic oil.

SMMEGH3 /KGH3 Technical Specifications:

Hole range

Recommended DTH hammers and hole range

QCW930 80-105mm 3.54"- 4.13"

Hydraulic tube handling system for normal hole depth,

with 2 m (6.56’) tubes

Ø 60 mm 20 m 65.6'

Single pass drilling, max hole depth

Ø 60 mm 2 m 6.56'

Carrier

Tramming speed.max 2.0 kmh

Track oscillation ±10°

Ground clearance 252 mm

Working pressure.max 14 bar

Air consumption ≥10 m3/min

Steel feed

Feed rate max. 0.28 m/s

Feed force max. 15kN

Pull max. 15kN

Feed extension 900 mm

Travel length 3000 mm

Feed swing -11.5°~+36.5°

Feed Lifting -118.5°~+23.5°

Rotary Unit

Rotary head	Max.rpm	Max.torque drilling	Suitable for DTH Hammer	Connection thread
KS08	67	2000	QCZJ90,QCW930	API2 3/8” Reg