What is overdrive for?

Discussion in 'Trucks and Trailers' started by Cuttinitclose, Apr 5, 2009.

  1. Cuttinitclose

    Cuttinitclose LawnSite Bronze Member
    Posts: 1,016

    This is a stupid question but what is O/D used for?
  2. AI Inc

    AI Inc LawnSite Fanatic
    Posts: 25,392

    Higher gear , to give you better fuel milage.
  3. 4.3mudder

    4.3mudder LawnSite Silver Member
    Posts: 2,227

    Correct, don't use it while pulling a heavy trailer. It will ruin the tranny.

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