Tunnel jumbo drilling rig DD311

Sandvik DD311 is available in three different versions, including DD311D and DD311DE. It is a medium size, single-boom jumbo designed for fast and accurate drilling within drifting and tunneling of 40 m² sections. Compact carrier The rig’s compact carrier features a FOPS/ROPS-certified cabin and can tram into small tunnels, while its powerful powertrain provides fast tramming. Fast and accurate drilling DD311 uses hydraulic controls that enable high drilling accuracy of its rock drill to optimize performance and lower operating costs. Versatile drill The development drill comes in three versions: DD311 (diesel tramming and electric drilling), DD311D (diesel engine for tramming and drilling for areas without electrical power) and DD311DE (diesel tramming and electric or diesel drilling). Tramming type and distance Hydrostatic transmission - Diesel engine - TCD2012 (74 kW, Tier 3, Stage IIIA, Canmet, China 2) 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) 3 x 3 m Feed length Fixed TF500 12-16 ft or telescopic TFX 6-12 ft. to 8-14 ft. Rock drill RDX5 20kW Voltage 380 - 690 V (multi voltage) Controls type THC561, hydraulic controls Weight 15,000 kg (depending on options)