UD291 is a compact, flexible single-boom electro-hydraulic development drill engineered for tunneling in small-to-medium underground mine drifts and construction tunnels with cross-sections up to 24m². Equipped with a 20kW Sandvik LD60 hydraulic rock drill, it delivers consistently high penetration rates and extended tool life across diverse rock formations. Its rugged LG-B14F boom features 360° feed rotation, advanced automatic leveling capability, and superior cross-section coverage, enabling fast, stable, and precise face drilling while supporting versatile secondary applications. The direct-control LG-CBI drilling hydraulic system with automated functions allows operators to focus exclusively on safe, rapid, and accurate drilling operations.

• HIGH SAFETY
• FOPS-certified safety canopy; integrated safety warnings and interlocks.

• EASY MAINTENANCE
• Quick-access pressure testing ports; all daily maintenance can be performed at ground level.

• EASY OPERATION
• Automatic feed parallelism; half-power trepanning controls with anti-jamming protection; rock pilot sensing and full-power impact; ergonomic operator station layout; wide visibility canopy.

• HIGH RELIABILITY
• World-renowned Sandvik rock drill; fully oil-mist SLU system; stable, field-verified CBI direct control system; key components from global brands including Rexroth, WEG, and VMC, etc.