

In April 2026, a customer in Saudi Arabia contacted YG Machinery to find a suitable solar farm pile driver for a photovoltaic project. The project required solar mounting piles to be installed to an approximate depth of 600 mm.
The customer was looking for more than a conventional solar pile driver. Because pile installation conditions can vary from one working area to another, the customer needed equipment that could provide different installation methods when required.
After reviewing the project requirements, YG recommended the YG-699-3 multifunctional drilling and piling machine, which combines a pile-driving power head with a high-torque drilling power head.
This configuration gives the customer several ways to install solar foundation piles with one machine.
YG-699 Solar Farm Pile Driver Parameters
Multi-functional drilling rig for screw pile driving, hole drilling, and down-the-hole hammer operations. Suitable for construction projects including screw piles, H.O.U. / C-type steel sheet piles, down-the-hole hammers, photovoltaic (solar) pile driving, foundation drilling, and civil foundation piles. Made of manganese steel.
| Product Model | 699-3 |
| Impact Frequency | 450-800 bpm |
| Impact Energy | 1000/1300 i |
| Work Stress | 130-150 bar |
| One Push Process | 4100 mm |
| Maximum Stroke of Pile Pressing | 6000 mm |
| Luffing Angle of the Sliding Frame | 95° |
| Swinging Motion of the Drilling Arm | 110° |
| Luffing Angle of the Drilling Arm | 30° |
| Swinging Angle of the Sliding Frame | 40° (Left & Right Total) |
| Main Engine Power | Yuchai Brand 88 KW |
| Steepness Angle | 35° |
| Dimensions of the Shape | 6240 × 2250 × 3000 mm (Transport State) |
| 6240-7500 × 2250 × 3000-7900 mm (Working State) | |
| Width of the Track Plate | 350 mm |
| Weight | 7350 Kg |
| Walking Speed | 0-2.5 km/h |
What the Saudi Customer Needed?
The main requirement was straightforward: install solar mounting piles to an approximate depth of 600 mm.
However, the suitable installation method depends on factors such as:
- Pile type and dimensions
- Required embedment depth
- Ground resistance
- Whether pre-drilling is required
- The selected solar mounting system
Instead of limiting the project to one piling method, the customer wanted a machine that could adapt to different installation requirements.
This made a multifunctional solar farm pile driver a practical choice.


YG-699-3: Two Power Heads, Multiple Installation Methods
The key feature of the YG-699-3 is its two independent working power heads:
1. Pile-Driving Power Head
The pile-driving power head is designed for direct impact installation of suitable solar mounting piles.
Where the ground and pile conditions allow direct driving, the machine can drive the pile directly to the required position and depth.
This provides a straightforward installation method without requiring a separate drilling machine.
2. High-Torque Drilling Power Head
The second power head provides high-torque drilling capability for applications where drilling is required before pile installation.
It can be used for:
- Pilot-hole drilling / pre-drilling
- Helical pile installation
- Drilling in relatively harder ground conditions
- Down-the-hole hammer (DTH) drilling when required
The customer can therefore select the appropriate working method according to the actual pile type and ground conditions.
Direct driving where conditions allow. Pre-drilling or other drilling methods where required.


One Machine for Different Solar Pile Installation Methods
For solar farm construction, ground conditions are not always uniform across an entire project area.
A pile may be installed directly in one section, while another section may require a pilot hole or a different drilling method.
The YG-699-3 addresses this requirement by combining piling and drilling functions in one machine.
Its working methods can include:
Direct impact driving → Pilot-hole drilling → Helical pile installation → DTH drilling
This multifunctional configuration reduces the need to rely on a single installation method throughout the project.
For contractors handling different solar foundation designs or changing ground conditions, this flexibility can be an important equipment consideration.
Approximately 600 mm Solar Pile Installation
The Saudi project required an installation depth of approximately 600 mm for the solar mounting piles.
The required depth was one of the key factors YG considered when recommending the machine configuration.
Rather than treating installation depth as an isolated specification, YG evaluated it together with the pile installation method.
For example:
- If the pile can be driven directly, the pile-driving power head can be used.
- If pre-drilling is needed, the high-torque drilling power head can prepare the hole before pile installation.
- For helical pile systems, the drilling power head can be used for helical pile installation.
- Where DTH drilling is required, the machine can be configured for down-the-hole hammer drilling.
This allows the same machine platform to support different solar foundation installation requirements.


Customer Feedback
After discussing the machine configuration with YG, the Saudi customer selected the YG-699-3 for the project.
The customer particularly valued the machine’s two-power-head configuration and the ability to switch between different working methods.
Instead of purchasing separate equipment for every installation condition, the customer could use one multifunctional machine for pile driving and drilling-related operations.
For solar contractors, this type of flexibility can be useful when project conditions or foundation installation methods are not completely uniform.
How to Choose a Solar Farm Pile Driver?
A suitable solar farm pile driving machine should be selected according to the actual foundation requirements rather than only the machine’s hammering force. For more information, see our solar pile driver buying guide.
Before choosing equipment, consider:
- Solar pile type and dimensions
- Required installation depth
- Ground and soil conditions
- Direct driving or pre-drilling requirements
- Whether helical piles are used
- Whether DTH drilling may be required
- Required working efficiency and site conditions
Providing the pile drawings, required depth, ground information, and site photos can help the equipment supplier recommend a suitable configuration.
Need a Multifunctional Solar Farm Pile Driver?
The YG-699-3 combines a pile-driving power head and a high-torque drilling power head in one machine.
It can support direct pile driving, pilot-hole drilling, helical pile installation, and DTH drilling, giving solar contractors more installation options for different project requirements.
If your solar project requires approximately 600 mm pile installation or multiple pile installation methods, contact YG Machinery with your pile drawings and project information for a suitable machine configuration.
One machine. Two power heads. Multiple solar pile installation methods.
Related Solar Piling Case
Saudi Solar Pile Driver for Slope – A separate Saudi project focused on solar pile installation on sloped and uneven terrain.











