What can you do with a 21cc trimmer?

Discussion in 'Lawn Mowing' started by Merkava_4, Feb 23, 2010.

  1. Merkava_4

    Merkava_4 LawnSite Bronze Member
    Posts: 1,280

    Are those trimmers just meant for trimming
    6 inch tall grass? How big of an engine do
    you need for cutting down densely packed
    clover and 3 feet tall weeds?
  2. topsites

    topsites LawnSite Fanatic
    Posts: 21,653

    Well no, on the more powerful trimmers the engine is actually big and
    powerful enough that it could be used to power a moped, but they're
    also closer to 49cc's than 21...
  3. Alan0354

    Alan0354 LawnSite Platinum Member
    Posts: 4,458

    Unless you just do front and back yards of homes with grass, I think you better stay with the 25cc Honda engine type to be safe. When I was trimming a house with 2 feet tall weeds, even my big Honda brush cutter drop some rpm. You can tell it is not like hot knife going through butter.

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