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  1. #1
    Super Member California's Avatar
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    Jan 2004
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    5,982
    Location
    Sonoma County
    Tractor
    Yanmar YM240, YM186D, and another YM186D

    Default Mowing: Big twin (YM240) vs little 3-cyl/Powershift (YM186D)

    Actually their capabilities are pretty similar on my sloped ground.

    YM240 (YM2000) obviously has a lot more torque, but the YM186D (YM1510D) can shift down when the grade gets too steep.

    I have had the 240 since 2003. It does everything well except it is too big to fit under my orchard trees. I bought the little YM186D last summer to get right under the trees. It's great for that.

    -p1350118rym186dmow5-jpg

    And shifting down as the grade steepens is something I really need.

    -p1590065rym186dmow3-jpg

    Here's an old photo mowing my neighbor's open field. The YM240 was working hard but moving pretty fast, 7th gear downhill and needed to stop and shift to 6th for uphill sometimes. I expect the YM186D would be working real hard, and slowly, in wet grass as heavy as this. This is the same mower as the first two pictures.

    P1000832rYm240Mowing.jpg

    In summary - assuming open ground they both do about the same job. For my specialty application, mowing under semi-dwarf orchard trees and a lot of slowing to work around obstacles, the YM186D is the only one small enough to fit in there.

  2. #2
    Padawan Tractor Learner
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    Johndeere3720's Avatar
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    Mar 2009
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    6,369
    Location
    NW Oregon
    Tractor
    Deere 317 & L118

    Default Re: Mowing: Big twin (YM240) vs little 3-cyl/Powershift (YM186D)

    I myself did some mowing yesterday. My 169D sure beats using my riding lawn mower. I usually run in second gear and always have my hand on the 3 point control since the ground is fairly uneven in some spots. You got yourself a nice Yanmar team there California.
    Attached Thumbnails Attached Thumbnails -4-25-10-015-jpg  
    My Fleet:
    2004 Deere 317 Skid Steer Loader
    66" Construction bucket, imatch QA adapter, CU72 Jake Rake, Middle Buster, 60" Landscape rake, 54"x 48" Pallet forks
    2005 John Deere L118
    42" deck

    Check out my rakes: www.Jakesimplements.com

    Member of the TBN "Young gun" Club

  3. #3
    Super Member clemsonfor's Avatar
    Join Date
    Sep 2009
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    6,753
    Location
    Greenwood Co., SC
    Tractor
    Yanmar YM2000

    Default Re: Mowing: Big twin (YM240) vs little 3-cyl/Powershift (YM186D)

    JD looks a little to wet to be moving, pick up the front of your bush hog so you dont tear up the ground so. If its a field i gues it dont matter but if this was my yard i think i would go with the riding mover.

  4. #4
    Padawan Tractor Learner
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    Johndeere3720's Avatar
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    Mar 2009
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    6,369
    Location
    NW Oregon
    Tractor
    Deere 317 & L118

    Default Re: Mowing: Big twin (YM240) vs little 3-cyl/Powershift (YM186D)

    I also noticed that it was dragging a bit so I extended the top link out a little and picked up the mower a little to prevent drag. This is sort of a field since the ground is rough and needs 4wd to mow it all. I have to admit that it was a little wet out to be mowing but I wanted to mow it before the heavy rain came this week.
    My Fleet:
    2004 Deere 317 Skid Steer Loader
    66" Construction bucket, imatch QA adapter, CU72 Jake Rake, Middle Buster, 60" Landscape rake, 54"x 48" Pallet forks
    2005 John Deere L118
    42" deck

    Check out my rakes: www.Jakesimplements.com

    Member of the TBN "Young gun" Club

  5. #5
    Super Member clemsonfor's Avatar
    Join Date
    Sep 2009
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    6,753
    Location
    Greenwood Co., SC
    Tractor
    Yanmar YM2000

    Default Re: Mowing: Big twin (YM240) vs little 3-cyl/Powershift (YM186D)

    if thats is before the rain, you can almost grow rice there.

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