track types - excavatorbackhoe.com
2015-11-16u2002·u2002One of the more recent inventions with excavators is the amphibious types of tracks. These systems allow the enitre excavator to float about in swampy and soft ground. They are basically a pontoon with a track that runs the circumference of it. This allow the excavator to move about by either floating or moving about on land.
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