Sandvik MH621Ex hard-rock miner is a smart, strong and powerful mechanical rock excavation machine. It is an electrically powered and crawler-mounted roadheader that is engineered to excavate tunnels, roadways and galleries as well as caverns, basically any underground and subsurface structures, in strong and abrasive rock formations under flame-proof mining conditions.
This heavy-duty mining machine has a powerful transverse cutter head mounted on an extremely robust telescopic cutter boom. It is designed to excavate rocks with high compressive strengths. The MH621Ex is a PLC (programmable logical controller) controlled machine and country-specific FLP (flame-proof) certifications by various international approval authorities are considered to satisfy special customer needs and requirements.