Tunneling jumbos
DT1231
- Coverage
- 211.00 m²
- Hole length
- Up to 6.18 m
- Tramming type and distance
- Hydrodynamic transmission - Diesel engine - OM904LA (110 kW Tier 3, Stage IIIA)
Sandvik DT1231 three-boom jumbo is designed for fast, accurate drilling in tunneling and cavern excavation. It is an advanced drill with added automatic functions and optional instrumentation to maximize productivity and high-quality tunneling.
Features
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Optional utility boom
The optional utility boom is engineered for bolting and utility works, allowing the jumbo to install rock bolts or anchors for added support. This enhances the efficiency of the tunneling process and ensures the structural integrity of the tunnel.
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Powerful RD520 rock drill
RD520 hydraulic percussive rock drill has an independent reversible rotation and low profile height, offering efficiency and high penetration rate. The rock drill has excellent serviceability thanks to its modular construction and visual wear indicators.
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Universal roll-over SB150 booms
Designed for mechanized tunneling, drifting, cross-cutting and bolt hole drilling, these booms have a large optimum-shaped coverage and full automatic parallelism, eliminating the need for manual adjustments.
Product specifications
- Coverage
- 211.00 m²
- Hole length
- Up to 6.18 m
- Tramming type and distance
- Hydrodynamic transmission - Diesel engine - OM904LA (110 kW Tier 3, Stage IIIA)
- Feed length
- Fixed TF500 12 to 21 ft. or telescopic TFX 6-12 ft. to 10 to 16 ft.
- Hole diameter (face drilling)
- 43 - 64 mm
- Hole diameter (cut hole)
- 76 - 127 mm
- Rock drill
- RD520 20 kW
- Controls type
- THC561, hydraulic control
- Weight
- 46,000 kg (depending on options)
Learn more about DT1231 features
Optimal safety
The tunneling jumbo can be equipped with a FOPS cabin (option), offering noise and vibration insulation, which provides enhanced operator safety and comfort.
Diagnostics
Built-in diagnostics ensure consistent efficiency while enabling the recognition of potential maintenance issues at an early stage. This reduces overall downtime, allowing for high productivity levels for longer periods.
Related Products and Services
Parts and components
Rock drills
Rock drills are a highly demanding component to design and manufacture. With decades of dedication and engineering work we have developed our rock drills for harsh conditions and heavy-duty work.
Technology
Remote monitoring service
Remote monitoring service uses intelligent technology that enables the prevention and prediction of breakdowns before they happen.
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Services
We offer different type of service agreements and on demand services that can be adapted to suit the support you require – helping you to maintain your fleet in the optimal way.
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