

Are you looking for a cost-effective way to explore mineral resources? Are you searching for a drilling machine that can speed up geological sampling while reducing operational costs? A reverse circulation drilling machine might be exactly what your project needs. Known for its high drilling efficiency and precision, the RC drilling machine has become a trusted choice for mining, exploration, and construction companies across Africa.
Reverse Circulation Drilling Machine Parameters
| Technical Parameters | Unit | YG-400 | YG-500 | YG-600 | YG-800 | YG-1200 |
| Max drilling depth | m | 400 | 500 | 600 | 800 | 1200 |
| Hole diameter | mm | 105–305 | 105–400 | 105–450 | 105–550 | 105–800 |
| Recommended working pressure | MPa | 1.2–3.5 | 1.6–6 | 1.6–6 | 1.6–8 | 1.6–8 |
| Recommended air consumption | m³/min | 16–55 | 16–55 | 16–75 | 16–96 | 16–96 |
| Drill pipe length | m | 3 | 3 | 3 | 6 | 6 |
| Recommended drill pipe diameter | mm | 89/102 | 102/114 | 102/114 | 114/127 | 127/146 |
| RC double-wall pipe diameter | mm | 89/102 | 102/114 | 102/114 | 114/127 | 127/146 |
| Feed force | T | 6 | 7 | 7 | 11 | 13 |
| Lifting force | T | 22 | 25 | 29 | 47 | 57 |
| Fast lifting speed | m/min | 20 | 23 | 29 | 29 | 30 |
| Fast feeding speed | m/min | 32 | 33 | 33 | 42 | 44 |
| Max rotary torque | Nm | 8000/4000 | 10000/5000 | 12000/6000 | 18000/9000 | 24000/12000 |
| Max rotary speed | r/min | 75/150 | 75/150 | 75/150 | 70/140 | 86/172 |
| Aux winch lifting force | T | 1.5 | 1.5 | 2.5 | 2.5 | 2.5 |
| Mast stroke | m | 1.6 | 1.6 | 1.7 | 1.7 | 1.7 |
| Travel speed | km/h | 10–35 | 10–35 | 10–35 | 10–35 | 10–35 |
| Gradeability | ° | 21 | 21 | 21 | 21 | 21 |
| Machine weight | T | 11 | 12 | 12.5 | 17 | 23 |
| Overall dimensions (L×W×H) | m | 7×1.85×2.86 | 7×2.1×2.9 | 7×2.1×2.9 | 10.5×2.25×3.3 | 11.5×2.25×3.4 |
| Engine | / | Yuchai 92kW | Cummins 132kW | Cummins 132kW | Cummins 194kW | Cummins 264kW |


Why Invest in a Reverse Circulation Drilling Machine?
Investing in a reverse circulation drilling rig can significantly improve both productivity and cost-efficiency. Unlike traditional drilling methods, RC drill rigs use dual-wall drilling rods to separate rock cuttings from drilling fluids, ensuring faster core recovery, more accurate sampling, and less contamination.
Key Advantages:
- High Drilling Speed: Reduces project duration, saving labor and operational costs.
- Precise Sample Recovery: Ensures cleaner, more reliable geological data for analysis.
- Lower Operational Costs: Less wear on drill bits and reduced downtime mean better ROI.
- Versatility: Suitable for mineral exploration, water wells, and shallow to medium-depth drilling projects.
“The RC drilling rig from YG Machinery significantly cut our exploration costs in Ghana while improving sampling accuracy. The machine is efficient and easy to operate even on rough terrain.” — Ghana Mining Contractor
Choosing the Right RC Drilling Machine
When selecting a reverse circulation drilling machine for sale, it’s important to consider several factors to ensure the best investment value:
- Project Type and Depth: For deep mineral exploration, choose a high-powered RC rig with strong penetration capability.
- Geological Conditions: Assess rock hardness and terrain; some rigs perform better in rugged or sandy areas.
- Mobility and Transport: Trailer-mounted or crawler-mounted RC rigs provide flexibility for remote sites.
- Power Source and Hydraulic System: Machines with robust hydraulic systems offer smoother operation and longer service life.
- Spare Parts and Maintenance Support: Ensure the manufacturer provides reliable spare parts and technical guidance.
For complementary projects, some customers also choose our hydraulic core drilling machines for precise core sampling, which works well alongside RC drilling rigs.


RC Drilling Machine Applications
RC drill rigs for sale are widely used in:
- Mineral Exploration: Copper, gold, cobalt, and iron ore projects in Africa.
- Geotechnical Investigation: Soil and rock profiling for construction or infrastructure projects.
- Water Well Drilling: Efficiently reaches medium-depth aquifers with minimal contamination.
- Infrastructure Projects: Roads, bridges, and dam foundations requiring rapid geological assessment.
- Typical Customers: Mining contractors, geological survey teams, water resource companies, and engineering firms in countries across West, Central, and Southern Africa, including countries such as Ghana, Burkina Faso, Cameroon, and Zimbabwe.
Customer Case: Ghana Mineral Exploration
In 2025, a mining company in Ghana purchased a YG RC drilling machine to accelerate copper and gold exploration. The rig was delivered on schedule and immediately integrated into site operations. The customer reported:
“The RC drill rig is reliable and easy to maintain. The combination of YG’s fast logistics and spare parts availability made our project progress smoothly. We are extremely satisfied with the machine’s efficiency and stability.”
YG Machinery has long supplied hydraulic core drilling machines and RC rigs to African markets, providing quality equipment, reliable logistics, and responsive technical support.
YG Machinery: Trusted Partner for RC Drill Rigs
YG Machinery is a professional manufacturer with 20+ years of experience producing reverse circulation drilling rigs, hydraulic core rigs, and related drilling equipment. The factory offers:
- High-quality, cost-effective machines suitable for Africa and global markets.
- Complete spare parts availability and professional after-sales support.
- Proven logistics capabilities, ensuring timely delivery to remote regions.
- Trusted by multiple clients across Cameroon, Burkina Faso, Ghana, and Zimbabwe.
By choosing YG Machinery, customers enjoy long-term ROI, efficient drilling performance, and reliable technical support.


How to Select Your RC Drilling Rig?
To ensure the best investment, consider:
- Required drilling depth and hole diameter.
- Site accessibility and terrain challenges.
- Machine power, hydraulic system efficiency, and durability.
- Availability of spare parts and service support.
YG Machinery can provide customized solutions, helping you choose the right reverse circulation drilling rig for sale for your mining or construction project.
Contact YG Machinery today to request a quote or technical consultation for RC drilling machines, reverse circulation drilling rigs, and hydraulic core drilling machines. 【WhatsApp/WeChat/Phone/Skype】+86 13837115193.












