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Equipment tagged with [medium-large tunnel cross section]

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DD421 mining jumbo
<div class="intro"><p>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 ...
MT 520 Roadheader
<div class="intro"><p>Sandvik MT520 PLC-controlled roadheader has been designed for use in tunneling, as well as salt, potash and chalk mining with a maximum profile up to 70 m². It has a modular design that offers more flexibility than standard roadheaders ...