The Sandvik MT720 tunneling roadheader is an extremely powerful boom-type roadheader in the 100 ton class and has proven its unique transverse cutting technology in hard rock applications worldwide. MT720 has an extended field of operation for mechanized tunnelling in hard and abrasive rock formations.
Features and values
- Designed for economical excavation of rock exceeding 120 MPa uniaxial compressive strength - optimized robust design and cutting power for low speed cutting
- Robust stabilized telescopic cutter boom for optimum cutting power application - sump-in without tramming and straight face even in high profiles
- Proportional load sensing hydraulic system for optimum utilization of energy
- Efficient dust suppression and cutting tool cooling by high pressure pick flushing system
- Modular design - easy maintenance and assembly/disassembly
- A variety of optional features - suitable for a wide range of applications
Key specifications
Dimensions
| Machine weight | 135 t |
| Machine length | 15.2 m |
| Machine height | 2.9 m |
Cutting profile
| Cutting height | 6.6 m |
| Cutting width | 9.1 m |
Installed electric power
| Total installed power | 522 kW |
| Cutter motor power | 300 kW |