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Full Hydraulic Underground Drill Rig DFU-300 with NQ BQ

Full Hydraulic Underground Drill Rig DFU-300 with NQ BQ

Certification : BV,SGS certificate
Model Number : DFU-300
MOQ : 1set
Price : USD25,500.00~USD35,500.00
Delivery Time : within 3 days against full payment
Payment Terms : 50% T/T in advance as deposit, 50% T/T before delivery
Max Drilling Depth : 300m
Diameter of Borehole : 55mm, 71mm
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All Hydraulic Diamond Underground Drill Rig DFU-300

300m Portable Electrical DFU-300 Underground Drilling.jpg

Brief Details

Brief Details of Underground Drilling Rig:

1. Model No.: DFU-300

2. Max. Drilling Depth: 300m

3. Drill Rod Diameter: 55mm, 71mm

4. Warranty: One year guarentee excluding wearing parts

5. Certifications: BV,SGS Certificate

6. Applications: water well geological exploration, irrigation well etc.

Customers' Focus

First of all, do you have an idea of the drilling rig you are looking for? The following questions will help you to get suitable drilling machine for your business.

1. What kind of projects you will work for,Water well,Borehole,Exploration coring,Foundation

Piling or others?
2. The Max. depth of drilling you hope to achieve?
3. The Min. and Max. hole diameter you estimate?
4. Condition of the environment, Soft ground like soil,mud,Hard ground like rocks or Mixed the

soft and hard layers?
The more details of your need are told from you, the better our engineers are able to recommend you the suitable models.

Product Description

Product Specifications of DFU-300 Water Well Drilling Rig:

DFU-300 hydraulic underground drill rig is mainly applied in the fields of coal, geology, metallurgy and engineering. It is used for drilling large dia. gas suction hole in mines, gallery as well as coal mine, water injection hole, and big dia. horizontal hole. It can meet the big dia. roller drilling, hard

tungsten-carbide drilling and percussive-rotary drilling.

DFU-300 portable underground mining equipment.jpg


1. It is separate in structure, small in size, light in weight, flexible in movement and convenient in


2. The hydraulic pump is driven by explosion-proof electric motor through operating system, then the hydraulic pump enforces hydraulic motor to make drill head rotate, and at the same time, the movement of drill head is realized by oil cylinder & chain double speed mechanism.

3. Hydraulic chuck can satisfy the function of shackles and power-off protection.

4. The sliding and extending & retracting function of the mast makes it convenient for the bottom

of mast to touch the ground or platform, thus the drill rig will be more stable.

5. The swinging arm and mast can do luffing movement, which satisfy the request of

multi-angle drilling.

6. The range of spindle rotating speed is wide and the torque is large.

DFU-56 core underground rig.jpg

Parameters of DFU-300 Hydraulic Underground Drilling Rig:

Drilling depth



Φ71mm(2.80inch) drill rod


Drill rod spec.

Φ55×1500mm(Φ2.17×59inch) drill rod

Φ71×1500mm(Φ2.80×59inch) drill rod

The swing angle of mast bracket (left & right)


The swing angle of arm (up and down)


Power unit

YB225M-4(dIICT4)explosion-proof electric motor 45KW (60HP)/1480rpm


Main machine (L*W*H): 2950x950x1850mm

(116x37.4x72.8 inch)

Power unit (L*W*H): 1900x980x132mm

(74.8x38.6x5.2 inch)

Operation cabinet (L*W*H): 540x360x1080mm

(21.3x14.2x42.5 inch)

DFU-M56-2 working site drilling rig.jpg

Accessories for drilling are at factory-price All Year Around~

Welcome to Zhengzhou DEFY at any time~

Company Information

Company Info. and Service

We build the portable water well drilling rigs with nothing but the best components and materials. We work with experts to help us make sure the rigs we build have an efficient working system. No matter what model of drilling rig you choose, you can rest assure that we have put many hours builing, testing and inspecting your rig.

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Drilling Rig Manufacturer DERY Service

1.Professional techinical support pre-sale, sale and after-sale .

2.Your problems can get feedback in 8 hours and soloved in 24 hours.

3.Machine can be customized as per your requirement.

Defy Company info.jpg

Contact details

Please donot hesitate to contact us if this model is fit for your business. And you are highly appreciated that if you could tell us more details of your business, then we can recommend most suitable model of drilling rig to you.
contact details.jpg

Please contact Andrew for more details and best offer

Phone/Whatsapp: 0086-18681448031
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