Compact electro-hydraulic single-boom drill, brand Sandvik, model DD2710, used. Designed for narrow vein development and tunneling in sections up to 34 m². It features a 20kW RDX5 rock drill, a B26F boom with 360° rotation, and a fixed TF500 (10–16 ft) or telescopic TFX (6–12 to 8–14 ft) feed. Powered by a TCD3.6 L4EDG diesel engine (74 kW, China IV) with hydrostatic transmission. Drills profiles of 2.7×2.7 m. Easy maintenance from ground level. Power supply from 380V to 1000V at 50-60Hz.
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