The SANY SR155 rotary drilling rig is a versatile and efficient foundation drilling machine designed for small to medium-sized pile construction projects. It is widely used in municipal engineering, urban infrastructure, bridge foundations, and industrial construction. The rig combines strong drilling performance, flexible operation, and energy-saving technology, making it a reliable solution for modern piling applications.
Powered by a high-efficiency Mitsubishi engine, the SR155 delivers stable output while optimizing fuel consumption. The advanced hydraulic and intelligent control systems ensure smooth compound actions, improving drilling efficiency and operational safety. Its compact structure, light operating weight, and convenient transport design make it suitable for projects with limited working space or urban construction environments.
The SR155 supports both friction kelly bars and interlocking kelly bars, allowing the rig to adapt to various soil and geological conditions. Equipped with a high-definition touchscreen control system and remote monitoring capabilities, the machine improves operational convenience and equipment management efficiency.
Key Specifications
| Item | Specification |
|---|---|
| Max. Drilling Diameter | 1500 mm |
| Max. Drilling Depth | 55 m (Friction Kelly) / 44 m (Interlocking Kelly) |
| Rated Output Torque | 155 kN·m |
| Engine Power | 147 kW / 2100 rpm |
| Operating Weight | Approx. 48 t |
| Rotation Speed | 5 – 35 rpm |
Main Features
- Flexible and Efficient Operation
Smooth compound actions improve drilling speed and working efficiency. - Energy-Saving Performance
Real-time power distribution optimizes fuel consumption and reduces operating costs. - Reliable Structural Design
High-standard structural components enhance durability and reduce maintenance requirements. - Compact and Easy Transportation
Smaller machine size and lighter weight allow easier transport in urban environments. - Intelligent Control System
10-inch HD display and remote monitoring system improve operation and equipment management.
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.