Rotary drilling equipment is widely used in foundation construction, especially for piling, bridge building, and infrastructure projects. It uses rotary torque and drilling tools to create deep and stable boreholes. Compared with traditional drilling methods, it offers higher efficiency, better hole quality, and stronger adaptability to complex soil conditions.

Product Positioning of Rotary Drilling Equipment
This machine is designed for heavy-duty construction work. It is ideal for contractors handling medium to large-scale foundation projects.
It plays a key role in modern infrastructure development. From highways to high-rise buildings, deep foundation drilling is essential. This equipment helps improve construction speed and reduce labor intensity.
It is suitable for:
- Construction companies
- Infrastructure contractors
- Foundation engineering firms
- Government and municipal projects
With growing demand for urban development, this type of equipment is becoming a standard choice in global markets.
Core Specifications Overview of Rotary Drilling Equipment
Below are the typical parameters of YG Machinery models:
| Model | YG13 | YG15 | YG16 | YG20 |
| Max Drilling Diameter | 1000 mm | 1600 mm | 1500 mm | 1600 mm |
| Max Drilling Depth | 13 m | 15 m | 16 m | 20 m |
| Max Rotary Torque | 50 kN·m | 45 kN·m | 46 kN·m | 36 kN·m |
| Rotary Angle | 360° | 180° | 180° | 360° |
| Rotary Speed | 10–45 r/min | 17–45 r/min | 20–46 r/min | 22–43 r/min |
| Dimension (m) | 3.1×1.92×3.5 | 6.8×2.27×3.2 | 10×2.3×3.2 | 9.5×2.6×3.5 |
| Weight | 9 ton | 13 ton | 11 ton | 17.8 ton |
Parameter Insights
- Higher torque supports drilling in hard soil and rock
- Deeper drilling depth allows wider project applications
- Adjustable speed improves drilling control
- Larger models provide better stability in heavy-duty tasks
Choosing the right model depends on project requirements and ground conditions.


Rotary Drilling Rig Machine: Functional Highlights
YG Rotary Drilling Rig Machine is designed to deliver stable and efficient drilling performance.
Key features:
- Efficiency: The continuous rotation of the drill bit ensures faster penetration, reducing drilling time.
- Versatility: Rotary drilling can be adapted to different soil types, rock formations, and project requirements.
- Depth Capability: It is suitable for drilling deep boreholes, making it ideal for oil and gas exploration and deep foundations.
- Accuracy: The technique provides precise control over drilling parameters, ensuring accurate borehole dimensions.
- Cuttings Removal: Drilling fluids or compressed air effectively remove cuttings, maintaining a clean borehole. It improves work efficiency while maintaining drilling accuracy.
Rotary Piling Machine: Structural Design and Engineering
A rotary piling machine delivers heavy-duty performance for demanding foundation projects. Its advanced engineering design improves efficiency, stability, and reliability on the job site.
- Heavy-Duty Frame:
We use high-strength steel to build the frame, ensuring excellent stability and durability during continuous operation—even under harsh conditions. The robust structure handles heavy loads, reduces vibration, and extends service life. - Reinforced Chassis:
The reinforced chassis increases stability when you operate the machine on uneven or soft ground. For better mobility, some models include crawler tracks that improve traction and balance on challenging terrain. - Adjustable Mast System:
The mast maintains high rigidity to keep accurate vertical alignment during drilling. You can easily adjust it to match different project requirements and achieve precise results in complex soil conditions. Choose between telescopic or fixed designs for faster transport and setup. - Rotary Drive System:
The rotary drive system delivers powerful torque by converting hydraulic energy into rotational force. This system allows you to drill through dense soil and rock layers with ease. Durable, wear-resistant components help reduce downtime and maintenance costs. - Hydraulic Control System:
The hydraulic system manages lifting, rotation, and positioning. Advanced valves and pumps provide stable pressure, allowing you to control drilling speed and movement with precision. This improves efficiency and reduces operational risks. - Drilling Tools Assembly:
The system supports a wide range of tools, including augers, buckets, and core barrels. You can quickly switch tools to match different soil and rock conditions, helping you maintain high efficiency across various projects. - Safety Features:
Built-in safety systems include overload protection, emergency stop functions, and user-friendly controls. These features help protect both operators and equipment while ensuring smooth operation.
By combining these advanced features, the rotary piling machine delivers powerful performance, high efficiency, and reliable safety—making it a strong choice for complex and large-scale foundation projects.


Hydraulic Rotary Drilling Rig: Working Principle
The working process is based on rotary cutting and soil removal.
Steps include:
- Positioning the machine at the drilling point
- Lowering the drilling tool into the ground
- Rotating the tool to cut soil or rock
- Lifting the tool to remove material
- Repeating the process until reaching the required depth
The hydraulic system controls torque and speed. This ensures stable operation and reduces energy loss.
Performance Advantages and Applications of Hydraulic Rotary Drilling Rig
This equipment offers clear benefits for construction companies:
- High drilling efficiency
- Reduced labor requirements
- Strong adaptability to different soil conditions
- Stable operation with low vibration
- Long service life with durable components
- Improved safety during operation
These advantages help contractors complete projects faster and with better quality.
Applications and Project Adaptability
This equipment is widely used in many construction scenarios:
- Building foundation piling
- Bridge construction
- Road and highway projects
- Urban infrastructure development
- Wind power foundation drilling
- Water conservancy projects
It can handle clay, sand, gravel, and even some rock layers. This flexibility makes it suitable for different environments.



Why Choose YG Machinery and How to Buy Rotary Drilling Equipment
YG Machinery is a professional manufacturer of construction equipment. The company provides reliable machines and customized solutions for global customers.
Why Choose YG Machinery
- Competitive factory pricing
- Strong and durable machines
- Wide range of models
- Fast delivery worldwide
- Professional technical support
YG Machinery products are used in many countries and trusted by contractors.
How to Buy
- Send your project requirements
- Get model recommendation
- Receive quotation
- Confirm order details
- Arrange production and shipment
- Get installation and support
In addition to rotary drilling equipment, YG also offers:
- Road rollers
- Laser leveling machines
- Shot blasting machines
- Crack sealing machines
- Pile drivers


FAQ: Rotary Drilling Equipment
1. Why does rotary drilling improve drilling efficiency?
Rotary drilling improves efficiency by enabling faster penetration and covering larger areas in less time. The rig uses a hydraulic system and advanced components to maintain smooth operation, reduce downtime, and increase overall productivity.
2. What are the main components of a rotary drilling rig?
A rotary drilling rig includes key components such as the rotary table, kelly, drill string, and substructure. The rotary table provides the rotation needed for drilling, while the kelly connects the drill string and transfers torque. The drill string delivers force to the drill bit, and the substructure supports the entire rig for stable operation.
3. How do rotary drills perform in borehole drilling?
Rotary drills handle borehole drilling efficiently, especially in hard rock and dense formations. They generate strong rotational force to break through tough materials, making them essential for mining, construction, and geotechnical projects. For larger holes, operators may combine drilling with blasting to improve efficiency.
4. Does a top drive system improve rotary rig performance?
A top drive system improves performance by providing a direct and stable connection to the drill string. It allows continuous rotation during drilling, reduces the risk of pipe damage, and increases both efficiency and safety.
5. What determines the durability of a rotary drilling rig?
Several key factors influence the durability of a rotary drilling rig, including:
- The quality of construction materials
- The overall equipment design
- The working conditions and maintenance practices
Manufacturers often use high-strength steel to improve wear resistance and extend the machine’s service life. Proper operation and regular maintenance also play a critical role in long-term durability.
6. How do you determine the height of a rotary drilling rig during operation?
You determine the rig height based on your drilling requirements, including:
- The target drilling depth
- The type of ground or formation
For deeper drilling projects, you need a taller mast to accommodate the full length of the drill string and ensure stable operation.
7. Why choose professional rotary drilling rigs?
Professional rotary drilling rigs combine advanced technology with durable components to deliver better performance. They handle demanding drilling conditions more effectively and help you:
- Improve drilling efficiency
- Increase operational safety
- Reduce overall project costs
These advantages make them a reliable choice for contractors working on complex projects.




