

RC drilling machine delivers reliable sampling‑oriented drilling solutions for global mineral‑exploration contractors and geotechnical survey teams. This crawler‑mounted exploration unit adopts reverse‑flow air circulation to obtain low‑contamination rock cuttings. It performs stably across granite, broken strata, and permafrost for various field geological investigation assignments.
Reverse Circulation Drilling Rig Full Technical Specification Table
| 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 | ° | ≥20 |
This unit adopts a Cummins power assembly and supports crawler‑mounted deployment to adapt to a wide range of ambient temperatures for outdoor field‑based exploration. reverse drilling machine can be matched with an optional truck‑mounted chassis according to site transportation requirements.
Operating Principle Of RC Drilling Machine


Different from positive‑circulation drilling, which brings debris back through the outer annulus, this exploration equipment conveys rock fragments through the inner channel of double‑wall drill pipes. High‑pressure air flows through the outer gaps of the drill pipes and crushes underground rock layers. Mixed cuttings and airflow travel upward toward ground level, and the reverse drilling machine guides the mixture into cyclone separation hardware. Centrifugal force separates rock samples for collection bags, while exhaust air discharges outward. This workflow reduces sample contamination and enables continuous real‑time geological sampling.
Core Operational Strengths Of Reverse Drilling Machine
- High‑efficiency field drilling: Optimized power‑head and hydraulic structure delivers stable penetration within hard rock, fractured and mixed‑type strata.
- High‑quality sample acquisition: Built‑in cyclone separator realizes over 95 % sample recovery rate and lowers cross‑contamination of rock cuttings.
- Adjustable operating parameters: Hydraulic‑electric control system allows operators to modify torque, feed thrust, and rotational speed for diverse borehole demands.
- Excellent off‑road performance: Heavy‑duty crawler chassis moves reliably across mountainous, muddy, and rugged mining terrain without extra towing machinery.
- Compatible multi‑device configuration: It can cooperate with full‑hydraulic core drilling units to finish combined sampling and core‑taking exploration work.
- Complete safety setup: Multiple safety locking parts and alarm modules decrease potential hazards for field operators.
Survey teams can tune operating parameters for local rock conditions and raise overall project execution efficiency.
Multi‑Domain Application Coverage For RC Drilling Machine
This survey‑focused drilling hardware supports multiple engineering and resource‑development assignments around the globe:
- Mineral Exploration: Collect rock‑cutting specimens to define ore‑body boundaries and assess ore grade for metallic and non‑metallic mineral prospecting.
- Building Foundation Investigation: Complete subsurface geological survey for high‑rise buildings and cross‑sea bridge construction projects.
- Hydropower Works: Conduct dam‑base inspection and reservoir geological stability evaluation.
- Geological‑disaster Research: Gather underground rock‑layer data for landslide and mud‑rock flow risk assessment.
- Energy Prospecting: Carry out preliminary borehole work for geothermal and oil‑gas resource reconnaissance.
- Urban Rail Transit Survey: Perform geological mapping for subway and light‑rail construction planning.
- Environmental Monitoring: Drill sampling holes for soil‑pollution and groundwater condition evaluation.
- Road‑and‑bridge Engineering: Test foundation bearing capacity for highway and railway infrastructure projects.
When deployed for large‑volume continuous prospecting tasks, a reverse circulation drilling rig satisfies multi‑batch sampling needs for on‑site technical teams.
Practical Procurement & Configuration Selection Of Reverse Circulation Drilling Rig
Several key factors influence final purchasing decisions for geological exploration hardware. These items cover maximum drilling depth, target borehole aperture, chassis style, supporting air compressor power, optional auxiliary accessories, plus destination freight and import‑tariff terms.
YG Machinery provides factory‑direct supply service. Technical staff draw customized hardware schemes based on submitted geological reports and project scope. Buyers may select crawler or truck‑mounted chassis for different site transport conditions. Modifiable modules contain power assembly and feeding components for special‑condition exploration, and the reverse drilling machine accepts reasonable hardware adjustments for individual project demands.
Frequently Asked Technical Questions About Reverse Drilling Machine
Before ordering exploration drilling equipment, purchasers often raise common technical questions regarding field operation and configuration. Read through the answers to eliminate pre‑purchase doubts.
A: It is suitable for various geological conditions, including granite, soft rock formations, and permafrost, with a drilling angle of ‑10° to 90°. The standard model can drill up to 150 meters deep, and with specialized drilling tools, it can meet the needs of deeper exploration, suitable for most small and medium‑sized projects.
A: The sample recovery rate is ≥95%. With a cyclone separator, it can separate pure rock cuttings, ensuring no secondary contamination of the sample, accurately reflecting the rock formation conditions, and providing precise data for geological analysis, superior to traditional drilling rig sampling.
A: The main influencing factors include: maximum drilling depth (which determines the size and power of the drilling rig), whether a vehicle‑mounted air compressor is included, the choice of crawler or vehicle‑mounted chassis, and additional automation or safety configurations. Choosing the right configuration is key to achieving optimal cost‑effectiveness.
A: The former focuses on efficient sampling and drilling, suitable for large‑scale exploration; the latter focuses on core extraction with higher precision. The two can work together to achieve integrated sampling and core analysis, meeting diverse needs.
A: The crawler design provides excellent mobility and stability. It can move freely in rugged, muddy, or steep mining areas without the need for additional towing equipment, greatly improving the flexibility and safety of on‑site deployment.
A: No professional personnel are required. The manufacturer provides free on‑site training, covering operation, parameter adjustment, and maintenance. With the operation manual and video guidance, ordinary personnel can master the operation after 1‑2 days of training.


Factory Supply & Customer Inquiry Support Of RC Drilling Machine
YG Machinery manufactures YG150RC alongside other drilling‑series machinery including full‑hydraulic core drill rigs, rotary drilling rigs and HDD drill rigs. Every finished unit undergoes full‑load continuous aging testing before seaworthy wooden export‑grade packaging.
Each shipment delivers multilingual operation manuals, hydraulic‑pneumatic circuit schematics, and discounted wear‑resistant spare‑part supplies. Our engineering team offers free project layout consultation and 24‑hour online video troubleshooting for global dealers and end‑users. Bulk‑purchase contracts grant priority spare‑part shipment privileges. Submit your target borehole dimension, geological rock condition, and daily workload to obtain a customized factory quotation.


