hydraulic jumbo CMJ17, CMJ27 Fully Hydraulic Jumbo

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CMJ17, CMJ27 Fully Hydraulic Jumbo is designed for drilling holes in a tunnel. It is widely used in the construction of coal mine, metal mine, hydropower station, railway, etc. The machine can not only drill holes in working face but also drill holes on roof, sidewall, floor and so on. It can also be used as a roof bolter.






1. Mainly for water well, agricultural irrigation, geological survey and construction.


2. Facilitates convenient to transport and start a new drilling project.


3. Multiple purpose and multiple functions for drilling.


4. Easy to operate and maintain, High reliability and long life for working.


5. Economy compared with machines with the same drilling ability.


What is the advantage of our products ?


1: Does the car provide the power for drilling?


No, the drilling rig is powered by diesel engine or electric motor which is separated from the power of car. And they are


all together with the car, so that the drilling machine can be transported easily.


2: What is the max depth and the max diameter of holes?


Theoretically speaking, the 90mm to 1200mm in max diameter and 200m in the max depth are available.  Here please


note that the real depth and diameter might be different as per your special local working strata


3: What is your mentioned “Multiple Functions” of this drill?


More drilling technology, normal and reverse circulations for both mud and air, mechanical unit and hydraulic unit for


mask up-down, etc. If more requirement and questions for this drill rig, please contact us for more details.



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