A rotary drilling rig is a powerful machine that creates deep boreholes. Contractors use it for foundations, bridges, and water wells. YG Machinery provides a reliable rotary drilling rig for sale to meet these needs. Our hydraulic rotary drilling machine offers high torque and precise control. It handles various soil types and rock formations with ease. When you add piling attachments, it becomes an efficient hydraulic rotary piling rig. For water projects, you can set it up as a rotary well drilling rig. We design our rigs for safety and long service life. They include advanced hydraulic technology and sturdy steel structures. Many users trust YG because we provide factory-direct pricing and responsive support. Furthermore, our machines are easy to transport and set up on site. So you can start working quickly and reduce downtime.
Hydraulic Rotary Drilling Machine Parameters
Clear specifications help you choose the right equipment. Below are typical parameters for our hydraulic rotary drilling machine range. These values guide your planning for foundation and water well jobs. Custom configurations are always available.
| 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 |
| Hydraulic system working pressure (MPa) | 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 |
The hydraulic system delivers steady force during drilling. So the rig keeps performance even in hard layers. The wide track base adds stability on rough ground. In addition, each model supports multiple tool configurations. This flexibility makes the machine useful across many projects.
How to Operate a Hydraulic Rotary Piling Rig in Mountainous, Narrow, and Complex Terrains？
Challenging sites demand careful operation. A rotary drilling rig from YG includes features that handle tough conditions. Follow these methods for three common environments.
1.Mountainous Terrain
First, check ground stability before you set up the rig. Use the built-in leveling system to create a flat working base. YG machines have wide crawler tracks. They provide strong grip on slopes. Furthermore, the hydraulic system keeps full power at high altitudes. So you can drill smoothly even on steep hillsides. Always lower the mast angle to reduce the center of gravity. This adjustment prevents tipping accidents.
2.Narrow and Confined Sites
Space limits require compact equipment. Our rigs feature retractable tracks. You can narrow the machine width for tight passages. In addition, the short tail swing design allows full rotation without hitting walls. Plan material flow ahead of time. Use a smaller service crane to move tools. Because space is tight, precise positioning becomes very important. The YG control system gives you fine movements for accurate hole placement.
3.Complex Ground Conditions
Mixed soil, boulders, and water layers create unexpected problems. The rig’s variable torque setting helps you adapt quickly. Adjust the rotation speed based on what you see in the cuttings. For boulders, apply short bursts of high torque. For soft clay, a faster speed prevents the tool from sticking. Moreover, our rigs work with temporary casing to support the hole wall. This approach works well for water well jobs in unstable ground. Watch the hydraulic pressure gauge closely. This habit helps the operator avoid overloading. Therefore, the machine stays safe and efficient throughout the shift.
Differences Between a Rotary Well Drilling Rig and a Down-the-Hole Drill
Many buyers ask about the difference between a rotary drilling rig and a DTH drill. Both create holes, but their working methods differ. A rotary well drilling rig uses a rotating bit and circulation fluid. It cuts through soft to medium-hard formations. Mud or compressed air lifts the cuttings to the surface. This method produces clean, straight holes for water wells, piles, and large foundations. On the other hand, a down-the-hole drill uses a percussive hammer at the bottom of the bore. It breaks hard rock with rapid impacts. Compressed air drives the hammer and blows out debris. DTH drills excel in granite, basalt, and other hard rocks.
For water projects, a rotary rig often delivers better results in soft ground. It can install casing while drilling to prevent hole collapse. Meanwhile, DTH rigs drill faster in solid rock but have smaller diameter limits. Another key point is depth. Rotary rigs generally reach deeper depths with wider holes. So your geology and project goals decide the best choice. YG Machinery manufactures both types. You can explore our full product range to find the right match.
How to Extend the Service Life of Your Rotary Drilling Rig？
Regular care keeps your rig productive for many years. Follow these simple steps to avoid expensive breakdowns and downtime.
- Perform Daily Inspections:Check fluid levels, hoses, and track tension every morning. Look for leaks or loose bolts. Finding small issues early prevents big repairs later.
- Maintain the Hydraulic System:Hydraulic oil is the lifeblood of your machine. Replace filters on schedule and always use clean oil. Monitor the oil temperature during long operations. Overheating damages seals and pumps quickly.
- Lubricate Moving Parts:Grease the Kelly bar, pins, and rotary drive often. Good lubrication reduces metal wear. It also keeps operation smooth and quiet.
- Monitor Drilling Parameters:Never exceed the recommended torque or down pressure. Overloading strains the mast and power head. Always follow the load chart for your specific model.
- Clean the Machine After Use:Remove mud and debris from the rig every day. Pay special attention to the radiator and tracks. A clean machine runs cooler and lasts much longer.
- Schedule Professional Servicing:Plan a major inspection every 500 working hours. YG technicians can check the engine, transmission, and structural welds. They also update the control software to improve efficiency.
These habits directly extend the service life of your rotary drilling rig for sale from YG. The result is higher resale value and less unplanned downtime.
YG Rotary Drilling Rigs for Sale and More Drilling Solutions
YG Machinery is ready to supply your next rotary drilling rig for sale. We keep popular models in stock for fast shipment. Every machine passes strict quality checks before delivery. We also provide spare parts and operator training to support your work. Our team helps you select the right configuration based on your ground conditions.
In addition to rotary rigs, we offer a complete line of drilling equipment. You can browse small water well drilling rigs, DTH hammer drilling rigs, hydraulic core drilling rigs, horizontal directional drilling rigs, solar piling rigs, core drilling rigs, and reverse circulation drilling rigs. Each product line comes with our factory warranty and global support network.
Contact YG Machinery today to request a quotation. Let us help you find the most efficient rotary drilling rig for your project. Our sales engineers will answer your questions and provide a detailed offer with no obligation.
