
📦 Trailer-Mounted Water Well Drilling Rigs
Kaishan CDT-800J Trailer Water Well Drilling Rig
Model: CDT-800J Trailer water well drilling rig
The Kaishan CDT-800J Trailer Water Well Drilling Rig is a mobile, trailer-mounted drilling rig designed for efficient water well construction in remote areas. With a maximum drilling depth o
Technical Specifications
| Model | CDT-800J |
| Drilling Depth | 800 m |
| Hole Diameter | 90–850 mm |
| Drilling Method | DTH Hammer / Mud Rotary |
| Engine Power | 353 kW |
| Weight | 19850 kg |
| Dimension (L×W×H) | 13,000 × 2,500 × 4,500 mm |
Product Details
Technical Selection
Key parameters for matching this machine to your job. Send us your hole diameter, depth and rock condition and our engineers will confirm the right configuration.
Hole Diameter
90–850 mm
Drilling Depth
800 m
Engine Power
353 kW
Weight
19850 kg
Dimension (L×W×H)
13,000 × 2,500 × 4,500 mm
Not sure this model fits? Tell us the hole diameter and depth — we will confirm the matching rig, compressor and hammer.
Check with an engineerKey Advantages
Trailer-mounted design for easy towing and rapid site relocation
Maximum drilling depth of 800 meters for deep water wells
Hole diameter range of 105–350 mm for versatile applications
Supports both DTH hammer and mud rotary drilling methods
132 kW diesel engine provides reliable power in remote areas
Hydraulic top-drive head with high torque and variable speed
Applications
📍 Agricultural Irrigation
Drilling water wells for crop irrigation in rural areas.
Solution: The CDT-800J’s mobility and deep drilling capacity ensure reliable water access for farms, even in remote fields.
📍 Municipal Water Supply
Constructing wells for community water systems.
Solution: With a large hole diameter and efficient drilling, the rig supports high-yield wells for towns and villages.
📍 Industrial Water Use
Providing water for construction, mining, and processing plants.
Solution: The robust design and powerful engine handle continuous operation in demanding industrial environments.
📍 Geothermal Boreholes
Drilling boreholes for ground-source heat pump systems.
Solution: Precise control and compatibility with various drilling methods make it suitable for geothermal installations.
Similar Models in This Category
This model is unique in its series — here are similar models from the same category.
| ☑ | Model | Model | Drilling Depth | Hole Diameter | Drilling Method | Engine Power | Inquire |
|---|---|---|---|---|---|---|---|
| CDT-800J Trailer water well drilling rigThis model | CDT-800J | 800 m | 90–850 mm | DTH Hammer / Mud Rotary | 353 kW | Get a Quote | |
| CDT-600 Trailer Water Well Drilling Rig | Kaishan CDT-600 | 600 m | 89–950 mm | Rotary / DTH Hammer | 353 kW | Get a Quote |
Compare 2–3 models? Tick the boxes and send them together — we will quote each one for you.
Tip: select multiple models and click “Inquire All” — the selected models are added to the quote form automatically, so you get a faster quotation.
Not sure which model fits your project? Send us your working pressure and air demand — our engineers will recommend the right one.
Main Components
- Trailer chassis with hydraulic outriggers
- Diesel engine (132 kW)
- Hydraulic top-drive head
- Drilling mast
- Control panel
- Air compressor (optional)
- Mud pump
- Drill string and bits
Working Principle
The Kaishan CDT-800J operates on a hydraulic top-drive system. A diesel engine powers hydraulic pumps that drive the rotation head and feed system. The rotation head turns the drill string, while the feed system applies downward force. For DTH hammer drilling, compressed air is supplied to the hammer at the bottom of the hole, which pulverizes rock with high-frequency impacts. Cuttings are flushed out by air or mud. For mud rotary drilling, drilling fluid is pumped down the drill pipe to cool the bit and carry cuttings to the surface. The mast supports the drill string and allows vertical movement. The trailer chassis provides mobility, and hydraulic outriggers stabilize the rig during drilling. All functions are controlled from a central panel, ensuring precise and efficient operation.
Detailed Features
- ▸Trailer-mounted for high mobility
- ▸800 m maximum drilling depth
- ▸105–350 mm hole diameter
- ▸DTH hammer and mud rotary capable
- ▸132 kW diesel engine
- ▸Hydraulic top-drive with variable speed
- ▸Centralized control panel
- ▸CE certified and globally supported
Packaging & Shipping
The Kaishan CDT-800J is shipped as a complete unit on a trailer, with the mast folded for transport. It is loaded into a 40HQ container or shipped as break-bulk depending on configuration. Standard packaging includes rust-proof coating, protective wrapping, and secure fastening. Delivery time is 30–45 days after order confirmation. Ports of shipment include Shanghai, Qingdao, or as requested.
After-Sales Service
Kaishan offers a 12-month warranty on major components. A 24-hour technical support hotline is available. We provide on-site training and installation guidance. Spare parts are stocked in regional warehouses for quick delivery. Our global service network ensures minimal downtime and maximum productivity.
Frequently Asked Questions
What is the drilling depth and hole diameter of the CDT-800J?+
The CDT-800J reaches a maximum drilling depth of 800 m with a hole diameter range of 90–850 mm. It covers both shallow and deep water well programmes within that range.
What engine powers the CDT-800J trailer water well drilling rig?+
The CDT-800J is powered by a 353 kW engine. This power source drives the rig during DTH hammer and mud rotary drilling.
Which drilling methods does the CDT-800J support?+
The CDT-800J supports DTH hammer and mud rotary drilling. The hydraulic top-drive head with variable speed matches the selected method.
What applications suit the CDT-800J?+
The CDT-800J is used for agricultural irrigation, municipal water supply, industrial water use and geothermal boreholes. Its trailer-mounted design allows towing and rapid relocation between sites.
How is the CDT-800J transported?+
The CDT-800J ships as a complete unit on a trailer with the mast folded. It loads into a 40HQ container or ships as break-bulk depending on configuration, with delivery 30–45 days after order confirmation.
What after-sales support comes with the CDT-800J?+
Kaishan offers a 12-month warranty on major components for the CDT-800J. A 24-hour technical support hotline, on-site training and installation guidance are provided, with spare parts stocked in regional warehouses.
What are the dimensions and weight of the CDT-800J?+
The CDT-800J measures 13,000 × 2,500 × 4,500 mm and weighs 19850 kg. The trailer chassis carries this weight during towing between sites.
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Is This Rig Right for My Project?
Answer seven questions about your hole, depth and rock — get a matched rig, compressor, hammer, bit and rod.
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Recommended System
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Recommended Equipment Configuration
Matched from real machine parameters — rig, compressor, hammer, bit and rod working as one system.

CDT-800J Trailer water well drilling rig
- Hole range
- 90–850 mm
- Drilling depth
- 800 m
Why matched
Parameter-matched to the machine on this page.

K10
- Hole range
- 254–311
- Air flow
- 22–65 m³/min
- Working pressure
- 10+ bar
- Bit shank
- K10**
Why matched
Hole range 254–311 mm covers your requirement 90–850 mm.

M3
- Hole range
- 90–90
- Pressure class
- 中风压 (Middle pressure)
Why matched
Hole range 90–90 mm covers your requirement 90–850 mm.

76mm Drill Rods
- Rod spec
- Φ76 mm
Why matched
Matches the rig's official rod specification Φ76 mm.
Engineer note: 按孔径反查(该机未公布官方配杆规格)
System requirement: 10 bar / 65 m³/min · 90–850 mm











