ST 350 Pneumatic High-Speed Drilling Rig - 350m Depth, 105-305mm Diameter, 91kW Diesel Power
The ST 350 Pneumatic High-Speed Drilling Rig delivers robust performance for water well drilling in challenging conditions including hard rock formations and remote off-grid locations. With a maximum drilling depth of 350 meters, this air-powered system ensures rapid penetration, minimal maintenance, and reliable operation for borehole contractors, mining exploration, and rural water supply initiatives.
| Specification | Value |
|---|---|
| Model | ST 350 |
| Maximum Drilling Depth | 350 meters |
| Drilling Diameter Range | 105mm - 305mm |
| Power Source | Yuchai 91kW Diesel Engine |
| Rotary Speed | 8,900 RPM |
| Travelling Speed | 0-2.5 km/h |
| Weight | 9 Tons |
| Dimensions | 5200mm × 2000mm × 2350mm |
| Drilling Rods | 89mm / 102mm |
| High Leg Travel | 1.35 meters |
| Warranty | 12 Months |
- Five-speed manual integrated gearbox with hydraulic release bearing and full synchronizer for reliable gear shifting and extended service life
- Mechanical winch system provides fast lifting speed for efficient handling of bottom hole incidents
- All-steel hydraulic crawler chassis delivers exceptional off-road capability, particularly in muddy terrain
- Four high-strength hydraulic legs with maximum support height of 1.5 meters for convenient loading, moving, and reduced hoisting costs
This crawler-mounted pneumatic drilling rig features mechanical walking capability with high base gear, enabling autonomous navigation across uneven terrain. The system automatically loads and unloads vehicles, eliminating hoisting expenses. Compact dimensions combined with an automated hydraulic system ensure safe, reliable operation in diverse field conditions.
Ideal for ore drilling, water well construction, mining prospecting, and rural water supply projects across various geological formations including soft soil layers and hard rock strata such as granite and sandstone.
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