Tunnel jumbo drilling rig DD411

Sandvik DD411 is a single-boom electro-hydraulic jumbo for precise drilling in tunnels and drifts. It offers 90 m² coverage and advanced automatic functions to facilitate efficient excavation. The drill rig features built-in diagnostics and a durable RD520 rock drill for extended use. Powerful articulated carrier The powerful four-wheel drive center articulated carrier ensures rapid and safe tramming in tight-turning radii and environments. Powerful rock drill The rock drill combines enhanced performance with high consumable life. The hydraulic-controlled drilling system has automatic functions and various optional levels, enabling high productivity during excavation. Strong and versatile SB40 boom The SB40 boom series offers large optimum-shaped coverage and full automatic parallelism. The boom can also be used for cross-cutting and bolthole drilling. Tramming type and distance Hydrodynamic transmission - Diesel engine - OM904LA (110 kW, Tier 3, Stage IIIA) Hydrostatic transmission - Diesel engine - TCD2.2 (55 kW, Tier 4F, Stage V) Hole diameter 43 - 64 mm Number of booms 1 x SB40 Drift size (H x W) 4.5 x 4.5 m Feed length Fixed TF500 12 to 16 ft. or telescopic TFX 6-12 ft. to 10-16 ft. Rock drill RD520 20 kW Voltage 380 - 690 V (multi voltage) Controls type THC561, hydraulic controls Weight 18,000 kg (depending on options)