DL331: optimal solutions for underground drilling

Sandvik DL331 is a top-hammer longhole drill engineered for work in underground mining drifts with cross sections of 3 x 3 m or larger. This one-man-operated rig is capable of drilling vertical and incline plane rings and single or parallel longholes.

Features

High drilling performance

The drilling control system is fitted with feed-controlled percussion for optimal drilling performance and accuracy. Instrumentation for hole alignment and measurement ensures excellent performance.

High drilling performance

The drilling control system is fitted with feed-controlled percussion for optimal drilling performance and accuracy. Instrumentation for hole alignment and measurement ensures excellent performance.

The drilling control system is fitted with feed-controlled percussion for optimal drilling performance and accuracy. Instrumentation for hole alignment and measurement ensures excellent performance.
Safe operations and working environment

The carrier is designed for good visibility and stability, ensuring safe tramming in mine drifts.

Safe operations and working environment

The carrier is designed for good visibility and stability, ensuring safe tramming in mine drifts.

The carrier is designed for good visibility and stability, ensuring safe tramming in mine drifts.
Easy maintenance

DL331 has an operating and maintenance interface designed for easy access and safe operation. All service points are accessible from the ground level.

Easy maintenance

DL331 has an operating and maintenance interface designed for easy access and safe operation. All service points are accessible from the ground level.

DL331 has an operating and maintenance interface designed for easy access and safe operation. All service points are accessible from the ground level.

Learn more about DL331 features

360° drilling module rotation

With 360° drilling module rotation and wide boom swing and tilt angles, DL331 is suitable for most mining methods and various service support applications.

Product specifications

Download DL331 technical specification sheet (PDF)

My Sandvik

DL331 operating manual and spare parts

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

Go to My Sandvik

Boom coverage: 7 m
Hole length: Up to 23 m
Tramming type and distance: Hydrostatic transmission (diesel) TCD2012 (74 kW Tier 3, Stage IIIA, Canmet, China 2)
Hole diameter: 51 - 76 mm
Boom type: Versatile
Drift size (H x W): 3 x 3 m
Rod length: 1.22 - 1.83 m (4.00 - 6.00 ft)
Drilling power: HPP555, 55kW
Controls type: THC561, hydraulic controls
Automation and teleremote availability: None
Weight: 15,500 kg (depending on options)

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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.