This video provides an in-depth look at the "underground behemoth"—the Sisu SRH 450 Mammoth heavy-duty mining truck—built by Finnish truck manufacturer Sisu for the LKAB iron ore mine in Sweden. In the height and width-constrained underground mines, hundreds of meters deep, to achieve the demanding goal of transporting 120 tons of ore in a single trip, Sisu developed a special semi-trailer road train with a 7-axle structure and a total weight exceeding 170 tons. The video details the truck's unique multi-axle rear-wheel steering technology, side-tilt unloading mechanism, and its legendary operational experience and technological heritage in extreme underground environments.
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