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The ST400S pneumatic drill rig is renowned for its high mobility and deep-hole drilling capabilities, featuring a maximum lifting force of 28T and a rapid lifting speed of 47m/min, significantly boosting operational efficiency. The rig is designed with a 1.5T auxiliary winch and 1.35m-high support legs, enhancing construction stability. With an air consumption of 16-55m³/min and compatibility with 1.25-3.5Mpa working air pressure, it is energy-efficient and highly productive. Whether tackling loose layers or hard bedrock, it adapts flexibly with top-drive hydraulic or mud drilling, making it a dependable partner for agricultural, construction, and water conservancy projects.
Category | Parameter | Specifications/Description |
Drilling Capacity | Max. Drilling Depth | 400m |
Drilling Diameter Range | 105-305mm | |
Drilling Technology | Supported Modes | Top-drive hydraulic rotation, Down-the-hole hammer, Mud drilling |
Auxiliary Configuration | Auxiliary winch load | 1.5T |
Drill pipe specifications | 6m length (Recommended diameter: 89mm) | |
Energy Efficiency | Air consumption range | 16-55m³/min |
Working air pressure range | 1.25-3.5Mpa |
1.High Mobility & Stability – Features a crawler chassis with a 21° climbing ability, suitable for rugged terrains like mountains and swamps, while 1.35m-high support legs enhance operational stability.
2.Rapid Lifting System – Maximum lifting force of 28T with a lifting speed of 47m/min, significantly improving work efficiency.
3. Multi-Mode Drilling Technology – Supports top-drive hydraulic rotation, down-the-hole hammer, and mud drilling, adapting to all formations from loose layers to bedrock.