115-152mm
English
Hole Range
115-152mm
Hole Depth
21m
Recommend Chassis Type
Crawler
The JC850 is a high-performance, fully hydraulic down-the-hole drilling rig designed for demanding surface drilling operations. Featuring a Cummins engine, Atlas Copco two-stage screw air compressor, and an automatic rod handling system, it delivers efficient, reliable, and environmentally friendly drilling. The rig accommodates hole diameters from 115 to 152 mm, with a standard depth of 21 m and the potential for extended drilling up to 30 m. Equipped with advanced dust collection, load-sensing hydraulics, and optional remote control and 5G smart mine systems, the JC850 ensures safety, operational efficiency, and superior performance in mining, quarrying, civil engineering, and infrastructure projects.
Product Description
The JC850 integrates powerful hydraulics, precision controls, and durable components into a single drilling rig optimized for high productivity and low maintenance. Its Cummins engine and Atlas Copco air compressor provide reliable drilling performance with low fuel consumption. Advanced features like dual-fan cooling, floating shock-absorbing joints, and load-sensing hydraulics ensure stable operation in extreme conditions. The rig is equipped with a modern FOPS/ROPS-certified cab, ergonomic controls, and optional smart systems for digital mining and remote operation. With modular components, multi-angle drilling, and superior dust control, the JC850 meets the demanding requirements of modern quarrying, mining, civil engineering, and infrastructure projects.
Product Specifications
| Specification | Unit | JC850 |
| Rock Hardness | F=6-20 | |
| Hole Diameter | mm | 115–152 |
| Hole Depth | m | 21 |
| Drill pipe | mm | 76/89 |
| Rotary Head | ||
| Rotation Torque | Nm | 3400–4300 |
| Rotation Speed(Normal and Fast) | rpm | 0–100 |
| Feeding System | ||
| Feed stroke | mm | 4860 / 5860 |
| Feeding force | kN | 20 |
| Feeding speed | m/min | 75 |
| Lift speed | m/min | 75 |
| Mast | ||
| Max Swing of Mast | ° | 92 |
| Max Dump of Mast | ° | 0-142 |
| Engine | ||
| Manufacturer | Cummins | |
| Rated Horsepower | Kw | 264 |
| Fuel tank capacity | L | 600 |
| Air Compressor | ||
| Brand | Atlas Copco | |
| Flow rate | M³/min | 19 |
| Pressure | Bar | 20 |
| Dust Collector | ||
| Motor speed | Rpm | 3500 |
| Filter area | m² | 30 |
| General | ||
| Max. Travel Speed(Slow/Fast) | Km/h | 0–3.5 |
| Gradeability | ° | 25 |
| Net Weight | kgs | 19500 |
| Shipping Dimension(L*W*H) | mm | 12000×2700×3100 |
| Ground Clearance | mm | 420 |
OEM Customization
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Depth
Power Type
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