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  1. #1

    Join Date
    Feb 2016
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    42
    Location
    Pennsylvania
    Mower
    42" Raptor SD

    2 cycle vs 4 cycle string trimmer ?

    Looking at getting a new string trimmer for residential use , always had 2 cycle trimmers now I thinking about getting a 4 cycle trimmer
    From what I read about 4 cycle trimmer are quite compare to 2 cycle , less fumes on 4 cycle and no more mixing oil and gas but look like they cost more. I would like to be in the price range around $200
    I have an old 18 volt B&D but not happy with the power and battery life
    One more question some trimmers have a curve shaft other have straight shaft which is the better way to go ?
    Any one that used both 2 and 4 cycle give me the pros and cons


    Thanks

  2. #2

    Join Date
    Jun 2016
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    164
    Location
    Connecticut
    Mower
    Hustler Raptor SD 54"

    Re: 2 cycle vs 4 cycle string trimmer ?

    I have enough 2 cycle engines (2 trimmers, 1 blower, 3 chainsaws) that mixing gas is not a major hassle. With 2 engines the same size, the 2 cycle will have more power than the 4 cycle. As for curved vs straight shaft, your smaller trimmers are usually curved. Straight trimmers will have larger engines and more power, and can accept different cutting heads - string, blades and saws. I would get a 2 cycle trimmer with a straight shaft, preferably with the ability to accept different attachments like a small tiller, brush cutter, chain saw etc. I have a Craftsman 31cc trimmer with attachments, and it is very useful!

  3. #3

    Join Date
    Apr 2016
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    112
    Location
    Virginia
    Mower
    Husqvarna

    Re: 2 cycle vs 4 cycle string trimmer ?

    The last Stihl 4-cycle trimmer that I used, new 8 years ago, required mixed gas.

  4. #4
    RDA.Lawns's Avatar
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    Jul 2016
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    Texas
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    Toro John Deer Kubota

    Not only do 2 cycle engines have more power they are also lighter. I'd buy a 2 cycle .

  5. #5

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    7394's Avatar
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    Sep 2014
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    Toro Z w/Kaw

    Re: 2 cycle vs 4 cycle string trimmer ?

    Another point to consider not previously mentioned.

    Curved shaft wackers will always rotate the string Clock wise.

    Straight shaft will always spin it Counter clock wise.

    Just an FYI, since I have both, but prefer the straight shaft 2 cycle. Straight shaft also allows me to stand up straight, like God intended man to do.

    Mine has the Speed Feed 400 head on it. String replacement can be done in under 60 seconds.
    Buddy.......... My Kawasaki FR to FX Air Box mod https://www.lawnmowerforum.com/showt...box-conversion


  6. #6
    BlazNT's Avatar
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    Apr 2012
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    Missouri
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    RZ5424

    Re: 2 cycle vs 4 cycle string trimmer ?

    One thing about 4 cycle trimmers is you can not run them sideways for edging, Oil must stay at bottom of engine,
    Chuck
    We Do Not Stop Playing When We Grow Old
    We Grow Old If We Stop Playing

  7. #7

    Join Date
    Feb 2016
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    42
    Location
    Pennsylvania
    Mower
    42" Raptor SD

    Re: 2 cycle vs 4 cycle string trimmer ?

    Great replies so far, I learn things about 2 and 4 cycle trimmers I never new before starting this thread , now I'll be looking at 2 cycle straight shaft trimmer , the main reason I was going with a 4 cycle trimmer no need to mix gas but sounds like there more reasons to go 2 cycle

  8. #8
    RDA.Lawns's Avatar
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    Jul 2016
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    Texas
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    Toro John Deer Kubota

    If this isn't going to be used a lot and you really don't want to mix fuel you can buy pro fuel.

  9. #9

    Join Date
    Jul 2013
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    892
    Location
    Georgia
    Mower
    John Deere

    Re: 2 cycle vs 4 cycle string trimmer ?

    Quote Originally Posted by BoylermanCT View Post
    I would get a 2 cycle trimmer with a straight shaft, preferably with the ability to accept different attachments like a small tiller, brush cutter, chain saw etc. I have a Craftsman 31cc trimmer with attachments, and it is very useful!
    X2
    I use a Stihl km55, handy swapping out attachments.

  10. #10

    Join Date
    Nov 2014
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    11,155
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    Australia
    Mower
    Victa slashers & Push , Rover Rancher II's, Cox ( several ) & White LT120 + GT 200

    Re: 2 cycle vs 4 cycle string trimmer ?

    Quote Originally Posted by 7394 View Post
    Another point to consider not previously mentioned.

    Curved shaft wackers will always rotate the string Clock wise.
    Straight shaft will always spin it Counter clock wise.
    Not correct.
    Curved shafts come in both directions.
    I can buy left hand drive shafts and right hand drive shafts
    Because strait shaft trimmers usually have a solid shaft they can take a lot heavier load on the head.
    Curved shafts use a twisted cable so can not be used with high load heads

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