XTR series cantilever tunnel boring machine is a new type of tunnel boring machine developed for the needs of various cross sections. This series of boring machine has strong rock breaking ability, high construction efficiency and wide cutting range. It is a professional model targeted at small and medium section water conservancy, subway tunnel and large section highway and railway tunnel, and can meet the tunnel construction requirements. The tunnel boring machine has strong geological adaptability, can be in the range of rock hardness 120MPa tunnel stable construction: stable cutting performance, cutting head wear is small, can achieve semicircular, oval, rectangular, horseshoe shape and other shaped and sudden section excavation. The tunnel boring machine adopts internationally renowned brand hydraulic and electrical components to ensure the reliability of machine operation and control. It is equipped with spray system and fan dust removal to provide a low dust environment for construction personnel. High machine configuration, good machine stability, high degree of automation, safe and reliable.
| Item | Unit | XTR6/320 | XTR6/280 |
| Machine mass | t | 125 | 100 |
| Machine length | mm | 16500 | 15500 |
| Blade width | mm | 3800 | 3600 |
| Machine width | mm | 3100 | 2780 |
| Highest height of the horizontally placed cutting head | mm | 3270 | 3518 |
| Machine height | mm | 2580 | 2377 |
| Positioning cutting range Height | mm | 6600 | 6500 |
| Positioning cutting range width | mm | 7600 | 6300 |
| Undercover depth | mm | 370 | 206 |
| Ground clearance | mm | 300 | 270 |
| Gantry height | mm | 420 | 400 |
| Walking speed | m/min | 7/15 | 8 |
| Cutting motor power | kW | 320/240 | 280/220 |
| Pump station motor power | kW | 230 | 160 |
| Power supply voltage | V | AC1140 | AC1140 |
| Power supply frequency | Hz | 50 | 50 |
| Loading capacity | m³/min | 8 | 8 |
| Spray water pressure | Mpa | ≥2 | ≥2 |
