Everand Logo

Welcome to Everand!

  • Tractor & Machinery

    Hydra-Shift

    May 07, 2021 2 minutes

    As a manufacturer of gears, David Brown was well versed in the production of transmissions and was keen to innovate wherever possible. In the 1960s, when the 990 Implematic was impressing farmers with its productivity, David Brown developed a revolutionary new transmission that it intended to offer as an option on its popular tractor.

    ‘Autodrive’ was a fully-automatic transmission that would change gear on

    You’re reading a preview, subscribe to read more.

    More from Tractor & Machinery

    Tractor & Machinery1 min read
    Workshop
    DIFFICULTY RATING ONE SPANNER Easy TWO SPANNERS Straightforward THREE SPANNER Moderate FOUR SPANNERS Challenging FIVE SPANNERS Nigh on impossible ■
    Tractor & Machinery10 min read
    A range For All
    International Harvester launched the World Wide Series in 1970, but with just the 454 and 574 introduced at the outset, it would be several years before it could truly be classed as a complete range. Models would come and go, and the numbering system
    Tractor & Machinery4 min read
    Gear Selectors
    The first part of this feature covered the dismantling of the tractor, which had reached the stage of removing the broken gear selector. Access to the selector meant splitting the tractor between the gearbox and rear axle housing to allow the relevan

    Related