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400m DFT-400 Rotary Borehole Drilling Rig with Tricone Bit DTH Bit, Water Well

400m DFT-400 Rotary Borehole Drilling Rig with Tricone Bit DTH Bit, Water Well

Brand Name : Defy
Model Number : DFT-400
Certification : BV,SGS certificate
Place of Origin : China
MOQ : 1set
Price : USD60,500.00~USD110,500.00
Payment Terms : 50% T/T in advance as deposit, 50% T/T before delivery
Supply Ability : 50 sets/month
Delivery Time : within 3 days against full payment
Packaging Details : Nude packed or in Wooden Case
Port : Qingdao/Shanghai/Ningbo
Warranty : One year warranty excluding wearing parts
Max Drilling Depth : 400m
Diameter of Borehole : 200-1500mm
Engine power : 100kw diesel generator sets
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DFT-400 Hydraulic Deep Rock Drill Rig

for Water Well Drilling 400m


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.

Parameters of DFT-400 Water Well Drilling Rig
Main Machine
Drill depth (m)
Drill diameter (mm)
Through-hole diameter of turntable (mm)
Turntable forward speed (r / min)
Forward wheel torque (kN.m)
Hoist lifting capacity (single rope) (KN)
Main drill (mm)
Vice drill pipe (mm)
Weight (kg)
Working size(L*W*H)(mm)
Mud pump
100kw diesel generator sets

Features of DFT-400 Water Well Drilling Rig

1. DFT-400 portable borehole drilling machine is a portable trailer mounted water well drilling rig. It can drag on tractor for moving, convenient and quick, with high working performance.

2. When drilling, it has independent diesel engine as power, making winch and turntable working by mechanical transmission.

3. Equipped with four hydraulic legs. The four legs can work at same time or separately working, to keep good balance. Meanwhile, the rear legs can stretch out horizontally, improving the stable working. Drill tower is raised by hydraulic cylinder, stable and easy to operate, apply to different working conditions.

4. Main parts include winch, turntable, gearbox, drill tower, chassis, are all manufactured in our factory, with stable performance.

5. It is widely used in high-rise buildings, bridges, geological mine, port, dam foundation, well construction, complex ground source heat pump, etc.

Air Compressor

DFT-400 borehole drilling machine is a multi-functional drilling rig, working with both air compressor and mud pump for mixing grounds, soil, sand, gravel and hard rocks.

DTH Hammer&DTH Bit

Matched with air compressor, to drill hard rocks, especially good for mountain areas.

Different sizes for choice.

Mud Pump

Mud pump is installed on DFT-300 Water Well Drilling Rig for washing wells, meantime cool drill bit.

Working with tricone bit for soil, sand, gravel, rock, etc.

Tricone Bit

Matched with mud pump, to drill soil, sand, gravel, rock, etc.

Different sizes from 200mm-700mm.

Company Info. and Service GET LATEST PRICE

We build the portable water well drilling rigs with nothing but the best components and materials. 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.


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 requirements.



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.


Please contact Andrew for more details and best offer


Phone/Whatsapp: 0086-186-81448031

Skype: live:defy-drillingrig



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400m DFT-400 Rotary Borehole Drilling Rig with Tricone Bit DTH Bit, Water Well Images

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