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  1. #1
    Gold Member
    Join Date
    Dec 2005
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    431
    Location
    Sierra Foothills
    Tractor
    2005 MT265B

    Default Shear pin for Post Hole Digger

    I got a Bush hog 2101 post hole digger. The manual calls for a Shear pin .375" x 2.5" Bush hog part # 83379. I called all the nearby dealers but none have any in stock. It must be special order and it could take 2 weeks. I really need to use the PHD this weekend. Is there an equivalent or other replacement for this particular shear pin? Will a regular grade 2 bolt work?Thanks.

  2. #2
    Veteran Member kevinj's Avatar
    Join Date
    Jul 2003
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    1,324
    Location
    West MI
    Tractor
    BX-1860, L3940HSTC, B7500, Farmall M, Farmall 560D

    Default Re: Shear pin for Post Hole Digger

    Quote Originally Posted by stumpfield View Post
    I got a Bush hog 2101 post hole digger. The manual calls for a Shear pin .375" x 2.5" Bush hog part # 83379. I called all the nearby dealers but none have any in stock. It must be special order and it could take 2 weeks. I really need to use the PHD this weekend. Is there an equivalent or other replacement for this particular shear pin? Will a regular grade 2 bolt work?Thanks.
    Look at the bolt head and see what grade the original is. If unmarked then a grade 2 is a good place to start.
    Kevin

    BX1860, mower, snowblower - B7500HST, FEL, Bush Hog - Grand L3940 HSTC, FEL, snowblower, 6' Landpride brush hog, 6' King Kutter tiller, Corn Pro 18+5 Fifth Wheel, 1950 Farmall M, Farmall 560D

  3. #3
    Elite Member Gittyup's Avatar
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    Oct 2007
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    2,880
    Location
    Mid Atlantic
    Tractor
    Kioti CK25 Shuttle Shift, loaded tires, JD X739

    Default Re: Shear pin for Post Hole Digger

    I bought that post hole digger. Or so I thought. But, I couldn't get the roll pin to stay in. It just kept coming out. It never did seem right. There was no way to keep it in. So I called the dealer. Had him send me a new roll pin. And while he was at it, I had him send me 4 of them.

    Turned out, the dealer gave me the next model up (2102?) and didn't realize it. That's why the roll pin didn't fit right. He then told me that for mine (not yours), that it just uses a 3/8" soft bolt that could be purchased at any hardware store.

    Here's the kicker: That roll pin was $9 for one! I about fell out when I got the $36 bill for the 4. Needless to say I sent them back. Glad the dealer made a mistake and gave me the "better" model with the cheap shear bolt.

    So, after this story: Try Rick Wallace (Kioti dealer in PA). He probably has some pins he can send you over night.

  4. #4
    Elite Member Ken45101's Avatar
    Join Date
    Feb 2009
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    3,281
    Location
    southern Ohio
    Tractor
    Kubota M5040, M9540, B21 TLB, B2710, RTV900, JD 325 Skid steer, KX-121-3 mini excavator

    Default Re: Shear pin for Post Hole Digger

    FWIW, the manual for my digger (it is NOT a Bush Hog), calls for a 3/8 x 2-1/2" grade 2 shear bolts. I buy them by the pound and keep a sack full on the tractor, I have lots of rocks

    YMMV

    Ken

  5. #5
    New Member
    Join Date
    Nov 2013
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    1
    Location
    Alton, VA
    Tractor
    JD2320

    Default Re: Shear pin for Post Hole Digger

    Sounds like you go through a lot of these. What do you think of putting a grade 5 bolt in?

  6. #6
    Platinum Member MESSMAKER's Avatar
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    May 2009
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    980
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    Bluegrass,KY
    Tractor
    Bobcat ct 225

    Default Re: Shear pin for Post Hole Digger

    Quote Originally Posted by villacathedral View Post
    Sounds like you go through a lot of these. What do you think of putting a grade 5 bolt in?
    Tractor Supply = You can buy a sack full for about $5.

  7. #7
    Elite Member Ken45101's Avatar
    Join Date
    Feb 2009
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    3,281
    Location
    southern Ohio
    Tractor
    Kubota M5040, M9540, B21 TLB, B2710, RTV900, JD 325 Skid steer, KX-121-3 mini excavator

    Default Re: Shear pin for Post Hole Digger

    Quote Originally Posted by villacathedral View Post
    Sounds like you go through a lot of these. What do you think of putting a grade 5 bolt in?

    I would rather replace a dozen standard bolts than to have to replace the gears that they protect.

    Follow the instructions in your manual. Some things are designed to use grade 5 bolts as shear pins, others are designed to use standard bolts to protect the rest of the device.

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