Challenging projects need a trusted partner A self-propelled electrohydraulic machine on a crawler chassis. It is designed for drilling large diameter boreholes between the seams. It can also be used as a drilling rig for exploratory boreholes, drainage boreholes, etc. The drilling rig is equipped with a drilling fluid unit and is capable of towing a mobile water tank. The machine can be equipped with a drill with a torque of 4 kNm to 24 kNm, depending on customer requirements. Electrical equipment, compliant with requirements of EU directives, is explosion-proof and it can be applied in underground excavations exposed to methane explosion hazard. hydraulic sprags of the drilling carriage LOAD-SENSING system drilling fluid unit installed on the machine oil cooling during standst