Boom-type roadheader MT721

Sandvik MT720 is an electrically powered and crawler-mounted boom-type roadheader which is engineered to cut hard and abrasive rock beyond 120 MPa compressive strength at mechanized tunneling. This extremely powerful 100-ton-class roadheader has a powerful transversal cutter head mounted on an extremely robust telescopic boom. Sandvik MT720 has an extended field of operation for mechanized tunnelling in hard and abrasive rock formations. The robust stabilized telescopic cutter boom is ideal for optimum cutting power application, maintaining high productivity together with energy efficiency, which lowers overall operating costs. The MT720 is available as PLC (Programmable Logical Controller). Advantages Optimized, transverse cutter heads for highly effective and cost efficient rock cutting Very robust track assembly for perfect cutting stabilization and fast tramming speed (15 m/min) Closed, FOPS-approved operator's cabin for operator comfort and safety A high number of digital features for ease of operation and highly effective control of tunneling work Optional on-board cable reel or diesel power pack for quick and easy relocation Cutter motor power - 300 kW Cutting height (max) - 6,600 mm Dimension (L-W-H) - 19,400 x 4,560 x 5,030 mm Ground pressure - 0.25 MPa Installed power - 522 kW Loading capacity - 350 m3/h Cutting width (max) - 9,100 mm Weight - 135,000 kg Max. tram speed - 15 m/min