Your single point of reference for all your Geotechnical Inquiries

DD421 mining jumbo

Sandvik DD421 boosts productivity in mine development and small scale tunneling. Powered by new efficient rock drills, robust booms and a wide selection of feeds, it offers an optimal coverage of 60 m2. The new carrier layout is specifically designed for safe access to all service points, and all daily maintenance is conducted at ground level. Adjustable drilling settings of the new hydraulic control system optimize drilling performance in any conditions. To ensure highly accurate drilling results and enable valuable feedback information of the drilling process, the drill rig can be equipped with TCAD™ instrumentation. Hole size: 43-64mm, coverage area: 8-60m², tunnel size (H:V): 6.6x9.9m, weight: 19000-25000kg, power: 110kW.


Sandvik Mining: World Trade Center, Tower C, 15th floor, Strawinskylaan 1545, 1077 XX Amsterdam, Netherlands. email:

User Rating:
You must be registered to vote.