The LGMRT UD391H development drill rig is a compact and flexible single-boom machine designed for vein and mass mining, tunneling, and cross-sections up to 34 m². Equipped with a Sandvik LD-60 drill and a CBI drilling control system, it delivers 20 kW of impact power for stable and rapid drilling and extended drill bit life. Its LG-B26NV universal boom offers 360° feed rotation, automatic parallelism, and optimized coverage for fast and accurate face drilling, as well as exceptional versatility.
The LG-CBI hydraulic system with direct control and automated functions allows operators to focus on safe, accurate, and efficient drilling. Mounted on a four-wheel drive chassis with power steering and equipped with a FOPS-certified safety cab, the UD391H offers superior visibility and stability in confined mine galleries and tunnels. Designed for simplified operation and maintenance, all daily maintenance operations are performed at ground level.