RCF400C Water Well Drilling Machine for Diverse Geological Conditions
Machine Introduction
The RCF400C Multi-functional Hydraulic Drilling Rig, developed by Henan Rancheng Machinery Co., Ltd, is a high-performance crawler-type rig designed for deep water well drilling, resource exploration, and civil projects. Equipped with a 92KW Yuchai engine and full hydraulic control, it supports versatile drilling processes such as DTH (Down-the-Hole), air reverse circulation, and core drilling, with a maximum depth of 400m and bore diameters ranging from 140-350mm. Its advanced features include tracked mobility for rugged terrain, adjustable axial pressure for optimal efficiency, and compatibility with mud pumps or foam generators. Built with high-strength alloy steel and renowned hydraulic components, the rig ensures durability and low operating costs. The company offers comprehensive after-sales support, including 24/7 technical assistance and optional on-site engineering services.
Technical Parameters
| Bore diameter(Hammer) | 140-350mm |
| Bore depth | 400m |
| Air consumption | 17-36m³/min |
| Air pressure | 1.7-3.5Mpa |
| Pipe diameter | 89mm/102mm |
| Pipe length | 1.5m/2m/3m/6m |
| Lifting force | 22T |
| Lifting speed | 3m/min |
| feeding speed | 0.5-5m/min |
| Fast lifting speed | 20m/min |
| Fast feeding speed | 40m/min |
| Max torque of rotary | 6200-9000Nm |
| Rotary speed | 66-135r/min |
| Hoist lifting capacity | 2T |
| Mud Pump flow | 450L/min (option) |
| High hydraulic leg | 1.4m |
| Feeding efficiency | 15-35m/h |
| Travel speed | 2.5Km/h |
| Climb ability | 30° |
| Dimension(L*W*H) | 6000×2100×2550mm |
| Weight | 9200Kg |
| Diesel engine | 92KW Yuchai engine |
| Drilling way | Air compressor drilling or mud pump drilling |
Application
1.Versatile Drilling Capabilities
Supports multiple drilling methods: DTH (Down-the-Hole), air/gas-lift reverse circulation, core drilling, and more, suitable for hard rock, clay, and diverse geological conditions.
Compatible with optional equipment like the BW600 mud pump (600L/min, 10MPa), foam pumps, or generators for flexible project requirements.
2.High Efficiency & Advanced Hydraulics
Full hydraulic control system allows real-time adjustment of speed, torque, axial pressure, and lifting/feeding rates, optimizing performance for varying conditions.
Top-drive rotary propulsion enables rapid drill-pipe connection/disconnection, reducing downtime and achieving drilling speeds of 15–35 meters/hour.
3.Robust Construction & Mobility
Built with high-strength low-carbon alloy steel and premium hydraulic components for durability.
Tracked chassis (climb ability: 30°, travel speed: 2.5 km/h) ensures stability on muddy or uneven terrain, with no crane needed for loading.
4.Cost-Effectiveness
DTH technology combined with a high-efficiency air compressor (17–36 m³/min, 1.7–3.5 MPa) lowers per-meter drilling costs.
Low failure rate and minimal maintenance requirements enhance long-term savings.
Machine Pictures
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