Subsurface Excavation Bogie for Tunnel Construction
This subsurface excavation bogie is designed for subway tunnel engineering, especially in soft soil. It performs earthwork excavation, waste discharge, grooving, and conduit digging.



Technical Specifications
Product Overview
Versatile Underground Excavation Powerhouse
The TWZ180 subsurface excavation bogie is a specialized solution engineered for subway and tunnel construction in soft soil, cobblestone, and weathered rock environments. This hydraulically-driven crawler machine offers multi-functional capabilities including earthwork excavation, waste discharge, and conduit digging. By replacing manual labor with a high-efficiency automated system, it provides superior manoeuvrability and adaptability regardless of the tunnel section shape.
Key Performance Metrics
Operational Power & Capacity
Technical Specifications
Working Range (W x H)
| Metric | Value |
|---|---|
| Maximum | 5m x 6m |
| Minimum | 3m x 2.9m |
- Dimensions (L x W x H)
- 7.5m x 2m x 2.4m
- Applicable Gallery Materials
- Soft soilCobblestoneWeathered rock
Operational Details
Drilling Specifications
- Drillhole diameter: Φ27 - Φ42 mm
- Drilling speed: 0.9~1.5 m/min
- One-time drilling depth: 2.1 m
Power & Hydraulics
- Supply voltage: 380V
- System pressure: 28 MPa
- Rated gas pressure: 0.5 MPa



