Drilling depth: 300m
Drilling diameter: 140-325mm
Main motor power: 85kw
The JTQZ-300-1 pneumatic water well drill rig is built for deep groundwater drilling up to 300 m in sand, gravel and hard rock. With an 85 kW engine, 18 t lifting force and support for hole diameters up to 325 mm, it fits large-scale agricultural irrigation, municipal water supply, remote industrial projects and deep monitoring wells.
| Model | JTQZ-300-1 |
| Weight | 6.8 t |
| Drill Hole Diameter | 140-325 mm |
| Drill Hole Depth | 300 m |
| Single Push Length | 3.3 m |
| Travel Speed | 2.5 km/h |
| Climbing Ability | 30° |
| Engine Power | 85 kW |
| Working Air Pressure | 1.7-3.0 MPa |
| Air Consumption | 17-36 m³/min |
| Rotation Speed | 40-70 rpm |
| High Leg Stroke | 1.4 m |
| Drill Pipe Diameter | 76/89 mm |
| Drill Pipe Length | 1.5 m / 2.0 m / 3.0 m |
| Rig Lifting Force | 18 t |
| Rapid Rise Speed | 22 m/min |
1. Reaches 300 m Depth
An 85 kW engine works with 1.7-3.0 MPa air pressure and 17-36 m³/min air consumption to support deep drilling to 300 m. This output gives the rig the pneumatic energy needed for groundwater projects in sand, gravel and hard rock formations.
2. Up to 325 mm Holes
The 140-325 mm drilling range covers deep irrigation wells, municipal supply wells, industrial water boreholes and monitoring holes in one machine. Compatible 76 mm and 89 mm drill pipe diameters let crews adjust the drill string to site conditions without changing rigs.
3. 18 t Lifting Force
With 18 t rig lifting force and 22 m/min rapid rise speed, the JTQZ-300-1 pulls heavy drill strings efficiently on deep holes. That helps reduce stuck pipe delays and shortens retrieval time between drilling stages.
4. Built for Slopes
A crawler chassis with 30° climbing ability, 2.5 km/h travel speed and 1.4 m high-leg stroke keeps the rig stable on uneven ground. The 6.8 t operating weight also supports steadier deep-hole work on rough outdoor sites.
5. Fast Rod Setup
A 3.3 m single push length and support for 1.5 m, 2.0 m and 3.0 m drill pipes reduce rod handling interruptions. Combined with 40-70 rpm rotation speed, the rig is set up to keep drilling cycles moving on large deep-well jobs.
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