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Mowing at 80% throttle

Discussion in 'Lawn Mowing' started by Vikings, Aug 8, 2007.

  1. Vikings

    Vikings LawnSite Bronze Member
    from canada
    Messages: 1,657

    I read here, on another thread.. someone said they learned that a wb uses a LOT less gas at 80%.

    So I actually tried this out and on one lawn and didn't see a difference in cut, mind you the grass isn't growing too much right now. But I have always cut at 100% throttle but have only had a wb for a few months.

    So is it common for the experienced pros to throttle down when it's easy to cut?
  2. mdlwn1

    mdlwn1 LawnSite Silver Member
    Messages: 2,443

  3. turfquip

    turfquip LawnSite Senior Member
    Messages: 860

    Not common, but a really good idea provided that the quality of cut meets your customers expectations, and the rate of production meets yours.
  4. dcgreenspro

    dcgreenspro LawnSite Senior Member
    from PA
    Messages: 688

    not good for engine
  5. S.A.L.

    S.A.L. LawnSite Member
    from NOLA
    Messages: 226

    How so? Specifically. :rolleyes:
  6. cybervision

    cybervision LawnSite Senior Member
    Messages: 342

  7. Mr Priceless

    Mr Priceless LawnSite Senior Member
    Messages: 412

    so....how much gas did you save?
  8. lawnboy dan

    lawnboy dan LawnSite Gold Member
    Messages: 3,711

    i dont worry about gas savings as i do wear and tear on both my kohlers with several thousand hrs on them. i throttle back to say 90%
  9. lawnmaniac883

    lawnmaniac883 LawnSite Silver Member
    Messages: 2,613

    Whats the point of throttling down any? The faster the engine runs the better the cut, smoother running belts and hydros. Saving fuel is secondary, if the engine manufacturer thought running 90% or 80% would make their engines last longer then they would run them at 3300rpms not 3600...I run WFO myself.
  10. KTO Enterprises

    KTO Enterprises LawnSite Bronze Member
    Messages: 1,286

    I actually throttle my engines up to idle around 3,850
    Once blades are engaged the RPM comes down to 3,600

    So far no bogging down ever. Even in bahia.

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