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  2. Canonical link element - Wikipedia

    en.wikipedia.org/wiki/Canonical_link_element

    A canonical link element is an HTML element that helps webmasters prevent duplicate content issues in search engine optimization by specifying the "canonical" or "preferred" version of a web page. It is described in RFC 6596, which went live in April 2012.

  3. John Deere Model A - Wikipedia

    en.wikipedia.org/wiki/John_Deere_Model_A

    The 60's replacement was the John Deere 620, in 1956. Engine power was increased again by reducing engine stroke by 0.375 inches, increasing the rpm. [9] The Orchard 620 or O-620 used the new 620 engine and remained in production after the 630 was introduced. It was the only "20" series tractor in production after 1958. [2] [10]

  4. 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 ...

  5. John Deere Model H - Wikipedia

    en.wikipedia.org/wiki/John_Deere_Model_H

    The tractor was equipped with a two-cylinder side-by-side engine of 99.7 cubic inches (1,634 cc) displacement. A cost-saving peculiarity of the H was that the engine output was through the camshaft rather than through the crankshaft. A three-speed transmission was provided. [1] [2] The H was produced only for kerosene fuel. [3] Production ended ...

  6. John Deere Model B - Wikipedia

    en.wikipedia.org/wiki/John_Deere_Model_B

    John Deere 520. From 1957 the 50 was replaced by the John Deere 520. with new styling. Power output was increased 20%, with a new two-cylinder engine, to the point that the 520 could work three plows. Only row-crop versions were produced, with the same fuels as the 50. [2] [9] [10]

  7. John Deere 3020 - Wikipedia

    en.wikipedia.org/wiki/John_Deere_3020

    The 3020 is nearly identical to the John Deere 3010 model that it replaced. It has a wheelbase of 90 inches, and a fuel capacity of 29 gallons. It was offered with three different engine options including a 3.7L 4-cyl gasoline engine, a 4.4L 4-cyl diesel and a 3.7L 4-cyl LP gas engine all produced by John Deere. The 3020 was rated at 71 horsepower.

  8. AOL Search FAQs - AOL Help

    help.aol.com/articles/aol-search-faqs

    Organic Link. Most search terms primarily yield organic links, which are displayed below sponsored links and are ranked by their relevance to the search query. These organic results are determined by the search engine's algorithm. In certain cases, the leading organic results might coincide with, or closely resemble, the sponsored links.

  9. 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 .