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  2. Tractor - Wikipedia

    en.wikipedia.org/wiki/Tractor

    These structures were first required by legislation in Sweden in 1959. Before they were required, some farmers died when their tractors rolled on top of them. Row-crop tractors, before ROPS, were particularly dangerous because of their 'tricycle' design with the two front wheels spaced close together and angled inward toward the ground.

  3. Steam tractor - Wikipedia

    en.wikipedia.org/wiki/Steam_tractor

    The first steam tractors that were designed specifically for agricultural uses were portable engines built on skids or on wheels and transported to the work area using horses. Later models used the power of the steam engine itself to power a drive train to move the machine and were first known as " traction drive " engines [ citation needed ...

  4. Ford N-series tractor - Wikipedia

    en.wikipedia.org/wiki/Ford_N-series_tractor

    The Ford N-series tractors were a line of farm tractors produced by the Ford Motor Company between 1939 and 1952, spanning the 9N, 2N, and 8N models. [1] The 9N was the first American-made production-model tractor to incorporate Harry Ferguson's three-point hitch system, a design still used on most modern tractors today. It was released in ...

  5. John Froelich - Wikipedia

    en.wikipedia.org/wiki/John_Froelich

    John Froelich (November 24, 1849 – May 24, 1933) was an American inventor and entrepreneur, who invented the first stable gasoline-powered tractor with forward and reverse gears. [1] [2] He received several patents relating to tractors and internal combustion engines. [3]

  6. List of John Deere tractors - Wikipedia

    en.wikipedia.org/wiki/List_of_John_Deere_tractors

    The first two letter series tractors (the A and B) were the first to receive the new modern styling, and other models were added later. The Dreyfuss styling was intended to help Deere & Company compete with the forthcoming Farmall "letter series" of tractors, which, along with the Ford-Ferguson , were John Deere's largest competition at this time.

  7. The Tractor That Built Caterpillar's Empire - AOL

    www.aol.com/2013/11/24/the-tractor-that-built...

    This prototype tractor, built by Benjamin Holt, was the first The earliest predecessor of today's Caterpillar tractors rumbled across the fields of Roberts Island near Stockton, Calif., on Nov. 24 ...

  8. Farmall - Wikipedia

    en.wikipedia.org/wiki/Farmall

    The first group of traits allowed for more nimble maneuvering and accurate cultivation than most other tractors of the day; additionally, because of the second group, the Farmall could also, like previous tractors, perform all the other duties a farmer would have previously achieved using a team of horses.

  9. Scientists Actually Did It: They Built a Real Working Tractor ...

    www.aol.com/lifestyle/scientists-actually-did...

    Scientists built a working tractor beam—the first example of one that pulls objects visible to the naked eye. That's a huge deal.