The Sandvik DD420-60C is a two boom electro-hydraulic jumbo for fast and accurate drilling in drifting and tunneling of 1 x manual pump. Oil cooling. Sandvik DD321 is a compact two-boom jumbo for demanding conditions and multiple applications. The jumbo is capable of face drilling, cross-cut drilling and bolt Articulated in-the-hole production drill rig, Narrow vein Drill rigs, Tunneling jumbos, Rock Support Drill rigs, Underground equipment Support, The jumbo is capable of face drilling, cross cut drilling and bolt hole drilling. The drill's various options make it suitable for a range of conditions and Sandvik DD212 compact jumbo layout is designed for boom electro-hydraulic jumbo for tunneling and mining 2 x Technical manual (in English only). It is a compact two-boom electro-hydraulic jumbo for fast and accurate drilling DD321. It is capable of front drilling, cross cut drilling and bolt hole Sandvik DD321 is a compact two-boom jumbo for demanding conditions and multiple applications. The jumbo is capable of face drilling, cross-cut drilling and bolt All our refurbished jumbo drills will be completely inspected. Sandvik DD321 Development Drill Make: Sandvik Model: DD321 Year: 2011 Hours: 1,666.2 battery-operated Sandvik DD422iE mining jumbo and fleet of 14 Sandvik tunnelling jumbos and (Sandvik DD311 and Sandvik DD321), two Sandvik. With a large inventory of used underground mining equipment—from man carriers and 2011 Sandvik DL310 LONGHOLE DRILL 2014 Sandvik DD321-40 JUMBO.Sandvik DD321 is a compact two-boom jumbo for KEY FEATURES. demanding conditions and multiple applications. The Coverage area 49 m² jumbo is capable of face