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  1. #1
    New Member
    Join Date
    Feb 2011

    Default Snowblower 42" shear pin?

    Just got this blower last week. John Deere blower MO3251 42". Appears I have broken the shear pin or pins. Are there 1 or 2? I can see a place for one on the right as I look into the blower. Can I go to the hardware store or do I need to go to dealer for a new shear pin? Thanks for any help. Tractor is a 1999 325.

  2. #2
    Veteran Member Dutch445's Avatar
    Join Date
    Aug 2001
    Upstate NY
    JD X585

    Default Re: Snowblower 42" shear pin?

    not to complicated,
    1 bolt to drive the 1 auger.

    1/4 by 1" if i'm not mistaken,
    probably grade 5 or 2,
    not really sure.

    there may be some extras bolted
    to the back side of the snowthrower
    also, check for them you may already
    have them!

    check out the picture, on some of the
    blowers spares were on the end near the
    belt drive.
    Attached Thumbnails Attached Thumbnails Snowblower 42" shear pin?-42st-jpg  

  3. #3
    Super Member
    Join Date
    Aug 2004
    North of Mtl,Que,Can (Ste Adele)

    Default Re: Snowblower 42" shear pin?

    Usually a grade 5 as it shears cleanly.

    Grade 2 is soft and will burr and often skew making removal difficult, also tends to widen the holes.
    You want a clean cut when that bolt shears!
    Keep a suitable drift punch in your tractor tool box to drive out the pieces.

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