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  2. Disc harrow - Wikipedia

    en.wikipedia.org/wiki/Disc_harrow

    Modern disc harrows are tractor-driven and are raised either by a three-point lift or hydraulically by wheels. The large ones have side sections that can be raised vertically or that fold up to allow easier road transport or to provide better storage configurations.

  3. Three-point hitch - Wikipedia

    en.wikipedia.org/wiki/Three-point_hitch

    In addition, the three-point hitch would prevent the tractor from flipping backwards on the drive wheels if the implement being dragged were to hit a rock or other immovable obstruction. Ferguson and his colleagues developed several innovations to this device (e.g., the hydraulic lift and depth control) which made the system workable, effective ...

  4. Harrow (tool) - Wikipedia

    en.wikipedia.org/wiki/Harrow_(tool)

    Chain harrows are often used for lighter work, such as leveling the tilth or covering the seed, while disc harrows are typically used for heavy work, such as following ploughing to break up the sod. In addition, there are various types of power harrow , in which the cultivators are power-driven from the tractor rather than depending on its ...

  5. Spring-tooth harrow - Wikipedia

    en.wikipedia.org/wiki/Spring-tooth_harrow

    Harrows, whether spring tooth, spike tooth or disc harrows can have a drag connection or have a 3 point mounting. A drag harrow is pulled and cannot be backed up. Three point implements can be raised and lowered hydraulicly and maneuvered more easily. A spring-tooth harrow is a type of harrow, and specifically a type of tine harrow. It uses ...

  6. James & Frederick Howard - Wikipedia

    en.wikipedia.org/wiki/James_&_Frederick_Howard

    The Howard patent plough was a great success and made in huge numbers. However a diverse range of different types of agricultural equipment was made, for example an advert in 1891 lists their famous ploughs and harrows plus disk harrows, horse rakes, mowers, reapers, cultivators, land-rollers, hay presses, straw trussers, grass harrows, horse hoes, vine cultivators, sheaf binders, scarifiers ...

  7. Subsoiler - Wikipedia

    en.wikipedia.org/wiki/Subsoiler

    Howse brand modular subsoiler mounted to a tractor Modular subsoiler unit, unmounted with accessories. A subsoiler or flat lifter is a tractor-mounted farm implement used for deep tillage, loosening and breaking up soil at depths below the levels worked by moldboard ploughs, disc harrows, or rototillers. Most such tools will break up and turn ...