The underground jumbo drill rigs are used for blast hole drilling in underground mining and tunneling. The rigs are equipped with up to three booms, covering cross sections from 6 m² to 206 m². We offer underground jumbo drill rigs with your special requirements.

KJ212/CYTJ45B drilling rig is for drill vertical, inclined and horizontal blast holes in low tunnels; Suitable for any tunnels whose section falls in the range of 3.5m*1.8m-5m*4.8m.

• The firm flexible boom is capable of optical coverage of the section;

• 360º rotation and self-leveling beam make drill positioning easy;

• The boom can also be used for the drilling of lateral cross-cut and rock bolting;

• The drill rig provides a good view for the operator;

• Balanced layout and the articulated chassis of four-wheel drive ensure the flexible,fastand safe driving in the narrow tunnel;

• the stepped piston is used for the high-frequency impacting rock drill and this can improve the transmission efficiency of impact wave and drilling speed and reduce the consumption of drilling tools and mske it in good condition;

• Considerable space and automatic functuons enable the driver to concentrate on drilling in a safe,fast and accurate manner;

• All the relevant parts are kept in good protection,meanwhile easy to maintain.