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  2. Jethro Wood - Wikipedia

    en.wikipedia.org/wiki/Jethro_Wood

    The 1819 patent was the 19th patent issued for a plow in the United States. [14] Other than Wood, inventors like Thomas Jefferson and John Deere each invented cast-iron plows which moved the agricultural standard away from wooden plows, improving durability. [15] The first of these, however, was patented by Charles Newbold of New Jersey in 1793 ...

  3. John Deere (inventor) - Wikipedia

    en.wikipedia.org/wiki/John_Deere_(inventor)

    John Deere was born on February 7, 1804, in Rutland, Vermont, [4] the third son of William Rinold Deere, [5] a merchant tailor, and Sarah Yeats. [6] After a brief educational period at Middlebury College, at age 17 in 1821, he began an apprenticeship with Captain Benjamin Lawrence, a successful Middlebury blacksmith, and entered the trade for himself in 1826.

  4. Plough - Wikipedia

    en.wikipedia.org/wiki/Plough

    This has a low draft body with a gentle, cross-sectional convex curve from top to bottom, which turns a furrow three parts wide by two parts deep, e. g. 300 mm (12 in) wide by 200 mm (7.9 in) deep. It turns the furrow slice slowly almost without breaking it, and is normally used for shallow ploughing (maximum 200 mm (7.9 in) depth).

  5. Three-point hitch - Wikipedia

    en.wikipedia.org/wiki/Three-point_hitch

    At 2,500 pounds (1.1 t), the 9N could plow more than 12 acres (4.9 hectares) in a normal day pulling two 14-inch (360 mm) plows, [3] outperforming the tractive performance of the heavier and more expensive Farmall F-30 model. [3] The hitch's utility and simplicity have since made it an industry standard.

  6. John Deere - Wikipedia

    en.wikipedia.org/wiki/John_Deere

    Deere & Company, doing business as John Deere (/ ˈ dʒ ɒ n ˈ d ɪər /), is an American corporation that manufactures agricultural machinery, heavy equipment, forestry machinery, diesel engines, drivetrains (axles, transmissions, gearboxes) used in heavy equipment and lawn care equipment.

  7. List of John Deere tractors - Wikipedia

    en.wikipedia.org/wiki/List_of_John_Deere_tractors

    John Deere Model 60 (1955) John Deere Model 530 (1959) John Deere Model 430S (circa 1960) After years of testing, Deere & Company released its first proper diesel engined tractor in 1949, the Model R. The R was also the first John Deere tractor with a live independent power take-off (PTO) equipped with its own clutch. The R also incorporated ...