Development drill rigs
DD321
- Coverage
- 49 m²
- Hole length
- 3.44 - 4.66 m
- Tramming type and distance
- Hydrodynamic transmission - Diesel engine – QSB 4.5 (124 kW, Stage IIIA) Hydrostatic transmission - Diesel engine - TCD2.2 (55 kW, Tier 4F, Stage V)
Sandvik DD321 is a compact two-boom jumbo capable of operating in demanding conditions, thanks to its flexibility to answer various needs such as face drilling, cross-cut drilling and bolt-hole drilling.
Features
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Accuracy and efficiency
The rig’s adaptive and advanced control system offers optimized drilling performance and tool life in all rock conditions.
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Versatile drill
DD321 offers a versatile feed to increase productivity in a wide range of applications ensuring minimum length for short holes and maximum length for long holes.
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Reliability
The compact two-boom Sanvik DD321 ensures a reliable workplace for both operators and maintenance crews with well-designed structures, proven components and improved serviceability.
Product specifications
- Coverage
- 49 m²
- Hole length
- 3.44 - 4.66 m
- Tramming type and distance
- Hydrodynamic transmission - Diesel engine – QSB 4.5 (124 kW, Stage IIIA) Hydrostatic transmission - Diesel engine - TCD2.2 (55 kW, Tier 4F, Stage V)
- Hole diameter
- 43 - 64 mm
- Number of booms
- 2 x SB40
- Drift size (H x W)
- 3.5 x 3.5 m
- Feed length
- Fixed TF500 12 to 16 ft. or telescopic TFX 6-12 ft. to 8-14 ft.
- Rock drill
- RD520 20kw
- Voltage
- 380 - 690 V (multi voltage)
- Controls type
- THC561, hydraulic controls
- Weight
- 22,000 kg (depending on options)
Learn more about DD321 features
FOPS/ROPS-certified cabin
Choose between a FOPS-certified canopy or a FOPS/ROPS-certified cabin with safety laminated windows to enhance operator protection.
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.
