Efficiency gain from 21" push to 36" WB

Discussion in 'Lawn Mowing' started by DA Quality Lawn & YS, Jan 31, 2008.

  1. DA Quality Lawn & YS

    DA Quality Lawn & YS LawnSite Fanatic
    Messages: 9,154

    About what percent effeciency gain can I expect bumping up to the larger size mower? You are gaining 70% in size but I doubt the efficiency directly correlates. I don't believe speed to be a factor, I pushed my 21" last season at a good clip and the mower is more nimble than a 36. Would 50% be a good number to have in mind? Thanks!
  2. bill8379

    bill8379 LawnSite Senior Member
    Messages: 778

    If the grass is fairly thick and your mulching a 36 is double on a large open yard.

    Small yards I started doing the whole thing with a 21. I found the 36 awkward and hard to stripe on small yards.
  3. S.A.L.

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

    It's a sliding scale.
    The larger areas will have a higher gain of efficiency.
    It also depends on how you use the bigger machine. Can you man handle it and throw it around a yard, or are you a struggler whom never can quite get the most out of the bigger stuff.
    There are so many person specific variables.
    How big are your yards?
    Even on postage stamp lawns I'd use a 32" WB, and a string whip for a trim mower.
    But that's not for everybody in the biz.

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