

The RC Drill Rig is a specialized drilling machine designed for fast sampling, geological exploration, and resource evaluation. It combines advanced drilling technology with efficient sample collection to meet the needs of modern exploration projects. Compared with many traditional drilling methods, this equipment helps improve drilling efficiency while providing representative geological samples.
YG Machinery developed the YG150RC to support mining companies, geological survey teams, and drilling contractors. The machine features a crawler-mounted structure, a powerful hydraulic system, and stable drilling performance. As a result, it can operate effectively in hard rock formations, fractured ground, and other challenging geological conditions.
For exploration projects that require reliable data and efficient operation, this drilling machine provides a practical solution. It supports accurate sample recovery, reduces unnecessary downtime, and helps improve overall project productivity.
RC Drill Rig Parameter
The following table shows the main specifications of the YG150RC drilling machine.
| Model | YG150RC | |
| Drill rig weight(crawler mounted) | kg | 9000 |
| Engine Power | kW | 125 |
| Length × Width × Height (normal) | mm | 6750x2200x2950 |
| Ambient Temperature Range | °C | -10~38 |
| Drill Ability | ||
| Nominal Drill Depth | m | 150 |
| End-hole Diameter | mm | 110-250 |
| Drill angle | ° | -10-90 |
| Horizontal hole height | m | 1.85-2.8 |
| Drill head output | ||
| Max Output Torque | N.m | 8000 |
| Output Rotation Speed(continuity) | rpm | 30 / 60, 54/108rpm |
| Output Rotation Speed(interval) | rpm | 62 / 124105/210rpm |
| Feeding | mm | 3500 |
| Thrust Force | kN | 45 |
| Lifting Capacity | kN | 65 |
| Pipe-puller Device Output | ||
| Output Rotation Speed | rpm | 40 |
| Max Output Torque | N.m | 30000 |
| Hole-through Diameter | mm | 370 |
| Auxiliary Winch | ||
| Pull Force of the First Layer | kN | 11 |
| Rope Diameter | mm | 14 |
| Rope Capacity | m | 60 |
| Engine(Cummins) | 6BTA5.9-C125 | |
| Power | kW | 125 |
| Rotary Speed (Max.) | rpm | 2200 |
| Track Chassis Base | ||
| Walk Speed | Km/h | 1.2 |
| Unit Pressure | MPa | <0.05 |
| Climb Ability | ° | Drill rig weight(crawler-mounted) |
What Is a Reverse Circulation Drill Rig?
A Reverse Circulation Drill Rig is a drilling system that uses dual-wall drill pipes and compressed air to collect rock samples from underground formations. Unlike conventional drilling methods, the rock cuttings travel upward through the inner tube of the drill pipe. This process helps keep samples cleaner and more representative of the actual geology.
The technology has become widely used in mineral exploration because it offers a balance between drilling speed and sample quality. Exploration teams can obtain continuous samples during drilling, allowing them to evaluate formations more efficiently.
Another benefit is that the drilling process provides real-time geological information. Operators can quickly identify changes in rock formations and make adjustments when necessary. Therefore, reverse circulation drilling has become a popular choice for resource exploration and grade control applications.


Application Areas of Reverse Circulation Drilling Equipment
1. Mining Exploration:Mining companies frequently use reverse circulation drilling equipment to explore mineral deposits such as gold, copper, iron ore, lithium, and coal. The collected samples help geologists determine ore grades and identify promising exploration targets. Because sample quality is important for decision-making, RC drilling remains a preferred method in many mining projects.
2. Grade Control Drilling:Grade control plays an important role in mining operations. Before excavation begins, companies need accurate information about ore boundaries. RC drilling provides representative samples that help improve mine planning and resource management. As a result, operators can reduce waste and improve production efficiency.
3. Geological Investigation:Government agencies, research institutions, and exploration companies use RC drilling to gather subsurface information. The drilling results support geological mapping, resource evaluation, and environmental studies. Furthermore, continuous sampling helps improve the reliability of collected geological data.
4. Water Well and Hydrogeological Projects:In suitable geological conditions, RC drilling can support groundwater exploration and hydrogeological investigations. The technology allows drilling teams to collect formation samples while evaluating underground water conditions.
5. Infrastructure and Construction Projects:Large construction projects often require geotechnical investigations before development begins. Engineers use drilling information to understand ground conditions for highways, bridges, tunnels, industrial facilities, and commercial buildings. Reliable geological data helps improve construction planning and risk management.
Working Principle
The working process of a reverse circulation drilling rig for sale is efficient and straightforward.
First, compressed air enters the annular space between the inner and outer walls of the drill pipe. The air travels downward to the drill bit located at the bottom of the hole.
Next, the drill bit breaks the rock formation. At the same time, the compressed air creates a reverse circulation flow. This flow carries the rock cuttings through the center tube of the drill pipe.
After reaching the surface, the samples enter a cyclone separator. The separator removes air from the rock chips and directs the samples into a collection system. Operators can then package and analyze the material.
Because the samples travel through a dedicated internal passage, contamination may be reduced. Consequently, geological information becomes more reliable and useful for exploration work.
Advantages of YG RC Drill Rig
1. High Sample Quality
Accurate geological information starts with reliable samples. The dual-wall drill pipe design helps minimize contamination during sample transport. Therefore, operators can obtain representative samples that better reflect actual underground conditions.
2. Efficient Drilling Performance
The YG150RC delivers strong drilling performance through its hydraulic system and optimized rotary head design. Multiple speed settings allow operators to adapt to different formations. This flexibility helps improve drilling efficiency across various project environments.
3. Powerful Rotary System
With a maximum rotary torque of 8,000 N·m, the machine provides sufficient power for demanding drilling applications. Whether working in hard rock or mixed formations, the drilling system can maintain stable performance and drilling productivity.
4. Excellent Mobility
The crawler chassis provides good traction and stability on uneven terrain. In addition, the low ground pressure helps reduce surface impact. This design makes the machine suitable for remote exploration sites and difficult working environments.
5. Strong Pipe Handling Capability
The pipe-puller system generates up to 30,000 N·m of torque, helping operators handle drill rods efficiently. This feature reduces labor intensity and contributes to smoother drilling operations.
6. Cost-Effective Operation
Efficient drilling often leads to lower overall project costs. Faster penetration rates, reliable sampling, and reduced downtime can help improve project economics. In addition, the simplified sampling process reduces the need for extensive sample handling.


RC Drill Rig FAQ
Yes. RC drilling systems are commonly used in hard rock formations. The combination of rotary drilling and specialized drilling tools helps achieve efficient penetration in challenging geological conditions.
The nominal drilling depth is 150 meters. Actual drilling depth may vary depending on rock conditions, drilling tools, and operating practices.
The YG150RC supports drilling diameters ranging from 110 mm to 250 mm. This range meets the requirements of many exploration and sampling projects.
The main advantage is efficient sample collection. In addition, the drilling process provides representative samples and supports faster geological evaluation. Many exploration projects choose RC drilling because it combines productivity with reliable results.
Yes. YG Machinery provides technical consultation, operation guidance, spare parts support, and after-sales service. Our team works closely with customers to help ensure successful project implementation.
Buy RC Drill Rig From YG Machinery
YG Machinery is a professional manufacturer and exporter of drilling equipment. We provide reliable drilling solutions for customers in mining, geological exploration, water well construction, and infrastructure projects worldwide.
The YG150RC is designed to deliver stable performance, efficient sampling, and dependable drilling results. Our technical team can recommend suitable configurations based on drilling depth, hole diameter, geological conditions, and project requirements. In addition, we provide technical support, spare parts assistance, and after-sales service to help customers maximize equipment productivity.
Besides this reverse circulation drilling machine, YG Machinery also offers a complete range of drilling and foundation equipment for different applications, including:
- Small Water Well Drilling Rig
- DTH Drilling Rig
- Hydraulic Core Drilling Rig
- Horizontal Directional Drilling Equipment
- Rotary Piling Machine
- Core Drilling Rig Machine
These machines are widely used in water well drilling, mineral exploration, geotechnical investigation, trenchless construction, foundation engineering, and geological surveying projects. This comprehensive product portfolio allows customers to source multiple drilling solutions from one supplier while creating convenient opportunities for future equipment upgrades and internal equipment linking.
If you are looking for a dependable reverse circulation drilling rig for sale, YG Machinery is ready to help. Contact our team today to learn more about equipment specifications, customization options, and project-based drilling solutions. A reliable drilling partner can make a meaningful difference in the success of your exploration projects.



