Jining Tongzhao Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of photovoltaic pilot hole machine in China. If you're going to wholesale durable photovoltaic pilot hole machine made in China, welcome to get pricelist from our factory. All customized products are with high quality and competitive price.
Products Description
The job of drilling pilot holes for photovoltaic installations sounds simple in theory, but it can be quite a hassle in practice. Remote hillsides are often littered with rocks, feature steep slopes, and have narrow access roads; this makes it impossible for large machinery to enter, while manual excavation is simply too arduous. Sometimes deep holes are required-depths that standard small drilling rigs simply cannot reach.
|
Parameter |
Specification |
|
Model |
TZ-300B |
|
Chassis |
8-ton excavator chassis |
|
Travel motor |
TM10 |
|
Engine |
Yuchai Power(options: 6105 Yuchai / 4015 Yuchai) |
|
Hydraulic motors |
Dual hydraulic motor / five-star motor |
|
Flow rate |
80–158 L/min |
|
Hydraulic oil pressure |
20 MPa |
|
Boom |
Front & rear angle adjustment |
|
Pressurization system |
Hydraulic motor |
|
Travel speed |
2.5–3 km/h |
|
Cooling system |
Dual electronic hydraulic oil cooler |
|
Drilling depth |
3 m (customizable) |
|
Drilling diameter |
300–500 mm |
|
Total weight |
Approx. 5000 kg |
|
Chassis length |
3000 mm |
|
Chassis dimensions (L×W) |
3000 × 2200 mm |
This specific unit-the TZ Photovoltaic Piling Machine-offers an economical drilling depth of up to 20 meters and a maximum hole diameter of 500 millimeters. No matter how deep or how wide your pilot holes need to be, this machine can handle the job.
Reliable Engine: Equipped with a Yuchai 6105 or 4015 diesel engine, it delivers stable power output. Whether dealing with soft soil layers or hard gravel, it handles the challenge with ease, ensuring high drilling efficiency.
Robust Hydraulic System: The power head is driven by dual hydraulic motors (or a five-star motor). With a hydraulic oil flow rate of 80–158 L/min and a pressure of 20 MPa, it achieves rapid drilling speeds and minimizes the risk of drill bit jamming.

Efficient Cooling: Equipped with dual electronic hydraulic oil coolers, it effectively lowers oil temperatures. This ensures the machine can sustain continuous operation over long periods, significantly reducing the risk of mechanical failure.
Superior Drilling Capability: With a standard drilling depth of 3 meters (customization available) and a hole diameter range of 300–500 mm, it meets a wide variety of construction needs-including solar piles, guardrail posts, and small-scale foundations.

What about its climbing ability? It can handle slopes of up to 30 degrees. What does a 30-degree slope look like? It is a gradient so steep that even walking up it empty-handed requires you to hunch over, brace yourself with your hands on the ground, and pause to catch your breath every few steps. Yet, this machine-carrying a body weight of 5 tons-can still steadily climb its way up. Its travel speed ranges from 0 to 5 kilometers per hour; while this may seem a bit slow, a pilot-hole drilling machine prioritizes stability above all else-speed is simply not a requirement for this type of work.
Additionally, if you require a pile-screwing attachment, the manufacturer can custom-fabricate one for you.
Who is this ideal for? Solar PV installation teams, agricultural greenhouse construction crews, and residential solar contractors. If you need to drill pilot holes in confined spaces, hard ground, or on slopes, this compact machine will outperform a crew of ten workers.

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