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| rdfs:label | - Holt Manufacturing Company
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| rdfs:comment | - Benjamin Holt (1849 – 1920) was an American inventor who developed David Roberts' design for one of the first practical caterpillar tracks for use in tractors. The caterpillar type track is used to spread the weight of heavy agricultural and construction plant out over a large area to prevent the vehicle from sinking into the mud. He acquired the patent from Richard Hornsby & Sons of England, in 1914.
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| abstract | - Benjamin Holt (1849 – 1920) was an American inventor who developed David Roberts' design for one of the first practical caterpillar tracks for use in tractors. The caterpillar type track is used to spread the weight of heavy agricultural and construction plant out over a large area to prevent the vehicle from sinking into the mud. He acquired the patent from Richard Hornsby & Sons of England, in 1914. Sinking into the mud was a common problem in peat soil surrounding Stockton, California where Holt made his residence. Caterpillar tracks allowed practical cultivation on an industrial scale on the rich peat land.
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