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| Agriculture |
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 Agricultureportal |
This is a list of companies that formerly manufactured and / or sold tractors. Some tractor and / or agricultural machinery companies have discontinued manufacturing, or were bought out or merged with other companies, or their company names may have changed.
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The production numbers of tractors in the USA amounted to 10,300 from the first vehicles up to 1915. In 1916, 29,670. In 1917, 62,742, and in 1918, 132,697 tractors. [1] [2] In 1919, 164,590. [3] In 1920, 203,207. [4] In the year 1918, there were 130 different tractor manufacturers in the USA. [5]
