Secondary breaking drill rigs
DB311
- Coverage
- 30 m²
- Reach
- Up to 11.33 m
- Hole length
- Up to 2.23 m
- Hole diameter
- 43 - 51 mm
As a versatile secondary breaking unit, Sandvik DB311 is built for large boulder reduction, improving the ore flow in mass mining operations.
Features
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High-frequency rock drill
The high-frequency rock drill accelerates drilling and rock boulder reduction, enabling fast recovery of mining production.
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Robust telescopic boom
Easily maneuver within confined spaces at drawpoints with the drill rig's telescopic boom, double rotation actuators and compact feed.
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Self-contained diesel-hydraulic carrier
Built on a self-contained diesel hydraulic carrier, Sandvik DB311 features an onboard water tank and air compressor for air-mist flushing. No external power source or water supply is required, enabling efficient set-up and removal.
Learn more about DB311 features
Powerful four-wheel-drive
The four-wheel-drive articulated carrier facilitates safer and fast maneuvering in narrow drifts.
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