DB311 Secondary breaking drill rig
Sandvik DB311 is a versatile secondary breaking unit designed to reduce large boulders and improve the ore flow in mass mining operations. The rig is a self-contained diesel-hydraulic carrier with on-board water tank and large air compressor for air-mist flushing. A robust telescopic boom with double rotation actuators and compact feed enables easy positioning within confined spaces at drawpoints, while the high-frequency rock drill enables fast penetration rates.
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- Well-protected canopy/cabin for improved safety
- Compact carrier for flexible mobility
- No connection requirement for external power or water enables fast set up and takedown
- High-frequency rock drill for superior productivity
|Breaking method||Drill only|
|Self-contained carrier, diesel power||92kW|
|Rock position||On ground and hangup|
|Hole length||2400 mm|
|Hole diameter||33 - 51 mm|
Depending on options
|Boom||1 x B26B NV|