Products Description
The RCQ515M Small Rotary Drilling Rig is a compact yet powerful solution for foundation projects. With a drilling depth of up to 15 meters and pile diameters ranging from 500–1200mm, it delivers reliable performance even in challenging ground conditions.
Equipped with a 127 HP engine, the rig provides strong torque and lifting capacity, enabling faster drilling and smooth operation across a variety of soil types. Its compact design allows for easy relocation between job sites, making it suitable for urban foundations, high-speed rail and highway construction, and other civil engineering projects where efficiency and precision are essential.

Technical parameter
|
Drilling diameter |
Φ500-Φ1200mm |
drilling depth |
15m |
|
Diesel engine |
Yuchai 95KW |
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|
Power head torque (KN.m) |
45KN.m |
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|
Rotary speed (r/min) |
17-45RPM |
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|
Pressurized oil cylinder max push force |
80KN |
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Pressurized oil cylinder max lifting force |
100KN |
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Pressurized oil cylinder max Stroke |
2000mm |
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Main winch max lifting force |
120KN |
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Main winch max single rope speed |
60m/min |
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Main winch rope diameter |
20mm |
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Assisting winch max lifting force |
15KN |
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Assisting winch max single rope speed |
60m/min |
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Assisting winch rope diameter |
16mm |
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Travel speed |
3km/h |
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Max climbing gradient |
30° |
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Min ground clearance |
400mm |
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Crawler board width |
450mm |
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System working pressure |
32Mpa |
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|
Machine transportation dimension |
8X2.3X3.3m |
|
Machine working dimension |
5.7X2.3X9m |
|
Weight |
16.5T |

Products Advantages
Advanced Hydraulic System: Ensures seamless integration of all machine systems, delivering high efficiency while saving energy.
Enhanced Main Winch: Features a grooved drum and updated rope press to reduce wire rope wear, extending service life.
Reliable Electrical System: Uses industry-standard components, providing real-time drilling data and an intuitive human-machine interface for easy operation.
Durable Structure: Key components, including the mast, chassis, and parallelogram assembly, are designed with finite element analysis, ensuring stability, safety, and long-term reliability.
Upgraded Power Head: Incorporates a new buffer device to improve shock absorption and increase torque efficiency.
Optimized Layout: Facilitates maintenance and inspection, reducing downtime.
Easy Transportation: Designed for convenient relocation with poles, supporting flexible construction and cost-effective operation.

Application
The RCQ515M Small Rotary Drilling Rig is engineered to meet diverse construction needs where efficiency, precision, and reliability are critical.
- Urban and Civil Foundations: Quickly and accurately drill foundation piles for residential buildings, municipal projects, and small commercial structures.
- Transport Infrastructure: Support fast-paced construction of highways, railway bridges, and port facilities with smooth operation in compact sites.
- Specialty Projects: Handle complex environments such as reservoir stations, national defense installations, and industrial construction.
- Geotechnical Drilling: Efficiently complete rotary screw pile installation, geological surveys, and drilling in both dry and water-bearing strata.

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