DD321: Sandvik precision in underground drilling

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

Accuracy and efficiency

The rig’s adaptive and advanced control system offers optimized drilling performance and tool life in all rock conditions.

Accuracy and efficiency

The rig’s adaptive and advanced control system offers optimized drilling performance and tool life in all rock conditions.

The rig’s adaptive and advanced control system offers optimized drilling performance and tool life in all rock conditions.
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.

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.

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.
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.

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.

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.

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.

Product specifications

Download DD321 specification sheet (PDF)

My Sandvik

DD321 operating manual and spare parts

Operating manuals and spare parts can be found on the My Sandvik customer portal.

Go to My Sandvik

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)
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)

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)
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)

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.