Product Description DFD-140G full hydraulic used portable down the hole dth hammer drill rig for sale DFD-140G down the hole hammer is a high pressure multifunction open air DTH drilling rig. It takes advantages of low power consumption, high efficiency, work smoothly and flexibly to move around. The advanced hydraulic system drives the drilling rig. The air is only consumed by DTH hammer, which saves the cost of the air compressor. Rotary system adopts new type duplex-motor to drive, provides powerful strength in drilling large diameter hole. The air intake system has been improved and make it more proper and easily to maintain. Suspension chassis makes the machine more flexible, easier to climb, especially suit the rough site working.

This machine widely apply to mine exploit, irrigation, power station, building road, pile foundation project hole drilling and other hard rocks drilling work.
It can also work with screw auger, to drill pile foundations. Specification

Drilling Caliber（mm）	89~254
Drilling Depth（m）	100
Walk Speed（Km/h）	2.5
Climbing Capacity（°）	30
Ground Clearance（mm）	350
Working Pressure（MPa）	1.05~2.46
Air Consumption（m³／min）	10~20
Once promotion distance（mm）	3000
Skid Compensate Length（mm）	1200
Skid Up and Down（°）	Total 100
Skid Left and Right（°）	Total 100
Drill Arm Left and Right（°）	Total 70
Drill Arm Up and Down（°）	Total 70
Speed of Spindle（r/min）	6-126
Rotary Torque（N.M）	3200
Power（Kw）	56
Applicable Hardness（f）	6~20

Working Site Drilling Tools Certifications Our Service Pre-Sales Service * Inquiry and consulting support.
* Inspect our Factory and discuss details.
* Try machine.
After-Sales Service
* Training how to install and operate machine in our factory.
* Overseas training is available as request.
* We will send you accessories at any time you need.
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Fax: 0086-371-66770722
Mobile & Whatsapp: 0086-18135686181
Mail: lucile ( at ) zzdefy.cn
Skype: defy007
Web: www.zzdefy.com.cn
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