Sandvik DD421

Sandvik

Sandvik DD421

Sandvik DD421 is a two-boom, electro-hydraulic mining development drill rig engineered for fast and accurate drilling in drifting and tunneling of 8-60-square-meter cross sections. This mining jumbo offers an improved hydraulic control system with new features that enable accurate drilling performance with efficient control. Well-designed, robust structures and proven components ensure a reliable workplace for both operators and maintenance crews.

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Specifications:

Engine
Cummins QSB4.5 Diesel engine (Stage III)
Cabin
Enclosed ROPS/FOPS
Transmission
Hydrostatic
Jacks
2 X SJ500 (front) / 2 X SJ600 (rear)
Drills
2 X RD525 rock drills
Feeds
2 X TF500-12
Booms
2 X SB60
Drilling Control System
SICA Platform
Powerpacks
2 X HPP575 (75kW)
Air Compressor
CTN10 for shank lubrication / WBP2HP water booster pump
Automatic cable reel
TCR4CD / remote control for cable and water hose reel
Remote
MySandvik Remote Monitoring