

A core drilling machine for mining is a specialized heavy-duty equipment designed to extract intact cylindrical rock core samples from deep underground formations. It plays an irreplaceable role in mineral resource exploration, geological reserve assessment, and subsurface structure survey, providing accurate physical data for mining project feasibility studies and development planning. The YG series full hydraulic core drilling rig is a high-performance solution tailored for complex and demanding drilling operations. With four optimized models ranging from YGX-400 to YGX-1000, our lineup covers a wide range of drilling depth requirements and delivers stable power and precise control for various field working conditions. Our crawler hydraulic core drilling rig design also ensures excellent mobility across rugged mining site terrain, making it easy to reposition between drilling points without heavy auxiliary equipment.
Core Drilling Machine for Mining Parameter:
| Model | YGX-400 | YGX-600 | YGX-800 | YGX-1000 |
| Drilling Depth(M) | 180-400-500 | 200-600-650 | 400-800-1000 | 500-1000-1100 |
| Rated pressure(MPA) | 21 | 21 | 25 | 28 |
| Rated Flow(L/min) | 168 | 192 | 260 | 300 |
| Heat Dissipation Mode | Air cooling+water cooling | |||
| Engine Brand | Yuchai | Yuchai | Yuchai | Cummins |
| Rated power/speed | 78kW/ 2400r/min | 92kW/ 2400r/min | 92kW/ 2400r/min | 154kW/2400r/min |
| Drilling Angle(°) | 0-90 | 45-90 | 45-90 | 45-90 |
| Lifting Force(T) | 12 | 16 | 24 | 30 |
| Feed Force(T) | 6 | 8 | 12 | 15 |
| Hydraulic Mud pump flow | 30-90(L/min) | 30-90(L/min) | 90-180(L/min) | 90-180(L/min) |
| Hydraulic Mud pump power | 4-7(MPA) | 4-7(MPA) | 4-7(MPA) | 4-7(MPA) |
| Dimension | 4000*1900*1800mm | 4000*2000*1800mm | 5500*2100*2000mm | 6000*2200*2400mm |
| Weight | 4.3T | 4.5/5.5T | 6.5T | 7.5T |


How Core Drilling Machine for Mining Work?
Our core drilling machine for mining operates with a fully hydraulic drive system, following a straightforward, reliable working cycle:
First, the heavy-duty diesel engine powers the hydraulic pump station, delivering stable, adjustable hydraulic pressure to drive all the rig’s functions.
Next, the hydraulic system powers the rotary mechanism to spin the drill bit and drill string, cutting into underground rock formations, while the feed mechanism controls drilling speed and pressure with high precision to preserve the integrity of the rock core.
During drilling, the integrated hydraulic mud pump circulates flushing fluid to cool the drill bit, flush rock cuttings out of the borehole, and stabilize the hole wall.
When the target depth is reached, the hydraulic hoist system lifts the drill string to the surface, allowing operators to retrieve the intact rock core sample and complete the coring cycle.


6 Advantages of the YG Core Drilling Machine for Mining
1. Stable Full Hydraulic Drive System: The rig adopts a full hydraulic drive design, with matched rated pressure and flow for each model, delivering smooth power output and stepless speed regulation. This design ensures precise control of drilling parameters, reduces operation failure rates, and improves the core sample recovery rate in complex rock formations.
2. Dual Heat Dissipation System: All models are equipped with a combined air cooling and water cooling heat dissipation system, which can effectively control the temperature of the hydraulic oil during long-term continuous high-load operations. This design greatly extends the service life of hydraulic components and ensures stable equipment performance even in high-temperature outdoor working environments.
3. Reliable Power Configuration: Our rigs are equipped with industry-renowned diesel engines, with most models using Yuchai engines with excellent fuel economy and stable performance, while the high-power YGX-1000 model is equipped with a Cummins engine to provide sufficient power support for ultra-deep drilling operations.
4. Flexible Drilling Angle Adaptation: The lineup covers a wide range of drilling angle requirements: the YGX-400 model supports a full 0-90° drilling angle range, adapting to horizontal, inclined and vertical operations, while other models support 45-90° drilling angles to meet the needs of conventional mineral exploration, inclined hole and vertical hole drilling processes.
5. Integrated Hydraulic Mud Pump: Each rig is equipped with an integrated hydraulic mud pump, which provides stable flushing fluid flow and pressure to ensure continuous cooling of the drill bit, smooth discharge of rock cuttings, and maximum integrity of the extracted core samples.
6. Compact and Adaptable Structure: Our models are designed with different dimensions and weights according to their working capacity, from compact lightweight designs for easy transport to heavy-duty structures for deep drilling operations, adapting to different site space and transport conditions.


How To Choose The Right Model For Your Project?
1. Confirm Your Required Maximum Drilling Depth: First, clarify the maximum drilling depth required for your project. For shallow to medium-depth exploration projects (180-500 meters), the YGX-400 is the ideal choice. For medium-depth projects (200-650 meters), the YGX-600 is suitable. For medium to deep hole projects (400-1000 meters), the YGX-800 is recommended, and for deep hole exploration projects (500-1100 meters), the YGX-1000 with higher power is the optimal option.
2. Evaluate Your Drilling Angle Requirements: If your project requires full-angle drilling operations from horizontal to vertical, the YGX-400 model with 0-90° drilling range is the best fit. For conventional mineral exploration projects that only require inclined and vertical drilling (45-90°), you can choose the corresponding model according to the depth requirement.
3. Match The Power Level To Your Working Conditions: For long-term continuous high-load deep drilling operations, we recommend choosing models with higher rated pressure, flow and engine power, such as the YGX-800 and YGX-1000, to ensure stable power output and operation efficiency. Matching the right rig to your project ensures your core drilling machine for mining operates at optimal efficiency throughout the project lifecycle.
4. Consider Site Transport and Space Limitations: Evaluate the transport conditions and operating space of your project site. For sites with narrow access roads and limited working space, compact models with smaller dimensions and lighter weight are more suitable. For large mining sites with sufficient space and transport conditions, heavy-duty models can be selected to meet deep drilling needs.


Core Drill Rig For Sale – YG Machinery
YG series crawler hydraulic core drilling rigs are your trusted partner for mineral exploration and geological drilling projects, boasting stable performance, adaptable design, and a full lineup of models to cover all your depth requirements for field operations. If you are looking for a professional core drill rig for sale, contact the YG team today to get a customized solution for your project.

