The SANY SR405R rotary drilling rig is a high-capacity foundation drilling machine developed for large-diameter and deep bored pile construction. Designed to meet the demands of infrastructure, bridge, high-rise building, and energy projects, the SR405R combines powerful torque output, advanced hydraulic systems, and intelligent control technology to ensure efficient and stable drilling performance in complex geological conditions.
With its heavy-duty mast structure and reinforced crawler chassis, the SR405R delivers outstanding stability during deep drilling operations. The optimized rotary drive system provides strong penetration capability, making it suitable for clay, sand, gravel, and moderately weathered rock formations. Its intelligent control interface improves operational accuracy while enhancing safety and jobsite productivity.
The machine is engineered for international foundation contractors who require high efficiency, durability, and lower operating costs in demanding piling projects.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Max. Drilling Diameter | 2500 mm |
| Max. Drilling Depth | Up to 103 m (Friction) / 84 m (Interlocking) |
| Rated Output Torque | 405 kN·m |
| Rotary Speed | 5 – 25 rpm |
| Crowd Force | 350 kN |
| Main Winch Line Pull | 400 kN |
| Engine Power | 377 kW |
| Operating Weight | Approx. 130 t |
Specifications may vary depending on configuration.
Main Features & Advantages
- High Torque Rotary Drive
Ensures strong rock penetration and efficient large-diameter drilling performance. - Deep Drilling Capability
Suitable for heavy foundation projects requiring deep pile construction. - Advanced Hydraulic System
Provides smooth compound movements and optimized power distribution for improved fuel efficiency. - Reinforced Structural Design
Box-type mast and robust chassis enhance stability and durability under heavy load conditions. - Intelligent Monitoring System
Real-time parameter display improves drilling precision and simplifies equipment management. - Flexible Construction Options
Compatible with friction and interlocking kelly bars to adapt to different project requirements.
Why Choose Used Construction Machines?
1. Cost Savings
Used construction machines are significantly more affordable than new equipment, allowing contractors to reduce initial investment and improve return on investment. This is especially beneficial for short-term projects or companies with limited budgets.
2. Faster Availability
Used machines are usually available for immediate purchase and deployment, eliminating long manufacturing and delivery lead times. This helps contractors start projects quickly and avoid costly delays.
3. Proven Performance and Reliability
Many used construction machines have a well-documented service history and proven field performance. When properly inspected and maintained, they can deliver reliable operation comparable to new equipment at a much lower cost.