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  2. Belleville washer - Wikipedia

    en.wikipedia.org/wiki/Belleville_washer

    A Belleville washer is a type of spring shaped like a washer. It is the shape, a cone frustum, that gives the washer its characteristic spring. The "Belleville" name comes from the inventor Julien Belleville who in Dunkerque, France, in 1867 patented a spring design which already contained the principle of the disc spring.

  3. StarFire (navigation system) - Wikipedia

    en.wikipedia.org/wiki/StarFire_(navigation_system)

    StarFire is a wide-area differential GPS developed by John Deere's NavCom and precision farming groups. StarFire broadcasts additional "correction information" over satellite L-band frequencies around the world, allowing a StarFire-equipped receiver to produce position measurements accurate to well under one meter, with typical accuracy over a 24-hour period being under 4.5 cm. StarFire is ...

  4. 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.

  5. 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 ...

  6. Spring washer - Wikipedia

    en.wikipedia.org/?title=Spring_washer&redirect=no

    From Wikipedia, the free encyclopedia. Redirect page. Redirect to: Washer (hardware)#Spring and locking washers; Retrieved from "https: ...

  7. John Deere 4020 - Wikipedia

    en.wikipedia.org/wiki/John_deere_4020

    The John Deere 4020 was an agricultural tractor model made by John Deere from 1964 to 1972. It replaced the nearly identical 4010 that had been introduced with Deere's New Generation series in 1960 and offered a number of improvements over the previous model including more horsepower, heavier rear axles, and a differential lock .

  8. John Deere House and Shop - Wikipedia

    en.wikipedia.org/wiki/John_Deere_House_and_Shop

    A modern-day blacksmith tends to the fire in the forge in the replica blacksmith shop. The John Deere Historic Site in Grand Detour, Illinois is operated by the John Deere Company and has five components. Outside of the perimeter, which is surrounded by a white, wooden fence, are 2 acres (0.81 ha) of prairie restoration.

  9. 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.