

A rotary pile drilling rig is a professional hydraulic piling equipment designed for modern foundation pile construction. It adopts a hydraulic drive and crawler walking design, which can complete drilling, soil taking and pile forming work independently. It is suitable for various soil layers and soft rock formations, with a maximum drilling depth of 10-60 meters and a drilling diameter of 300- 1500 mm. And it has become the preferred piling equipment for medium and large foundation projects, greatly reducing the construction period and comprehensive cost.
Rotary Pile Drilling Rig Technical Parameters
| Dimensions (mm) | 7900*2260*3100 |
| Vehicle mass (kg) | 8000 |
| Wheelbase (mm) | 3150 |
| Wheelbase (mm) | Front 1400 After 1060 |
| Drilling depth (m) | 13 |
| Drilling diameter (mm) | 600-1600 |
| Rotation angle | 180 degree |
| Walking speed (km/h) | 50 |
| Gear pump model | CBJT2080 |
| Hydraulic system working pressure (Mpa) | 20-25 |
| Hydraulic system displacement (ml/r) | 80 |
| engine model | 4108 |
| Engine power (kW) | 88 |


How To Decide If Your Project Needs A Rotary Pile Drilling Rig?
If you are preparing for a foundation project, you can judge whether you need to use this equipment according to the following standards, which can help you avoid unnecessary cost waste:
- First, judge according to the project scale: If your project has more than 30 pile holes with a depth of over 10 meters, using a rotary drilling rig machine will be more cost-effective than traditional piling methods. For small projects with fewer than 10 pile holes, you can choose traditional methods; for projects with more than 30 piles, the cost advantage of rotary drilling is very obvious.
- Second, judge according to the construction period requirements: If your project has strict construction period requirements, a hydraulic rotary drilling rig can shorten the piling period by more than 60% compared with traditional impact drilling, which can help you complete the project on schedule.
- Third, judge according to the geological conditions: If your project site has complex geological conditions such as a sand layer and soft rock, traditional manual digging and impact drilling are prone to hole collapse and low efficiency problems, while a hydraulic rotary drilling rig can adapt to various complex geological conditions and ensure stable construction quality.
- As long as your project meets any of the above conditions, using rotary piling equipment will bring you higher cost performance and construction efficiency.


Cost Breakdown: Rotary Piling VS Traditional Piling Methods
For project contractors, cost is the core consideration. Here is the real cost comparison between rotary piling and traditional impact drilling for a standard 30-pile foundation project (each pile 20 meters deep):
- Labor cost: Traditional impact drilling requires 4 workers per rig; the total labor cost for 30 piles is about $4500. Rotary piling only requires 1 operator, the total labor cost is about $1200, saving 73% of labor cost.
- Construction period cost: Traditional drilling takes 20 days to complete 30 piles, site rental and equipment rental cost for 20 days is about $6000. Rotary drilling only takes 3 days to complete; the corresponding cost is about $900, saving 85% of the time-related cost.
- Comprehensive cost: The total comprehensive cost of traditional piling for this project is about $10500, while the total cost of rotary piling is about $2100, which can save 80% of the comprehensive piling cost for the project.
- Even if you rent the rotary pile drilling rig, the cost savings are still very considerable. For large-scale projects, purchasing your own equipment can recover the cost within 2-3 medium-sized projects. CFA piling machine is also available for projects in soft soil areas, which can further improve construction efficiency and reduce cost.


Case: CFA Piling Construction Project In Suriname
Client Background & Core Demand:
Our client is a professional foundation construction contractor from Suriname, undertaking a local medium-sized residential community foundation project. The local construction area is mainly composed of deep soft soil layers. The client needed a piling equipment suitable for continuous auger piling in soft soil formations, with stable performance and no hole collapse problems.
YG Targeted Solution :
We recommended the CFA piling machine, specially designed for soft soil formation piling, for this client. This model is optimized for the continuous flight auger piling process, perfectly matching the local soft soil geological conditions. We also provided targeted operation training for their construction team before delivery.
Client Authentic Feedback:
After completing 120 pile constructions for the project, the client shared his actual use experience: “This equipment adapts to our local soft soil very well. The piling speed is 3 times faster than our old equipment, and there is no hole collapse problem at all. It helped us finish the whole piling work 10 days ahead of the schedule, which greatly reduced our construction cost.”
Rotary Pile Drilling Rig For Sale
Our rotary pile drilling rig combines stable hydraulic performance, high construction efficiency and extremely high cost performance, which can greatly reduce your piling cost and shorten the construction period. If you have an ongoing or upcoming foundation project and want to calculate the specific cost savings of using our rotary drilling rig machine, or get a free construction guidance scheme, contact us today to get a customized solution for your project.

