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Cotter Pin Alternative


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#1 jrk OFFLINE  

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Posted December 21, 2012 - 10:57 PM

A little background on the why I was looking to replace the cotter pin on my Wheel Horse snow plow frame:

I bought a snow plow a while back that did not have all the hardware / parts ie it was missing the pivot and spring rods that connected the frame to the plow itself. Procrastination led to a small snow storm that blew in last night and no way to go play in the snow :mad2: ... So I stopped at the local steel shop and picked up some 1/2" HR round bar. The manual shows a cotter pin holding the bar in place however I don't have a drill press at the moment and I didn't want to risk goofing up the bar trying to drill it by hand. Since I was stopping by TSC for some misc hardware; I started looking around & brainstorming of different ways to hold the round bar in place without too much fabrication. The idea evolved into using Axle Cap Nuts (most dad's / grandpa's have assembled these to hold wheels on Red Wagons, kids push cars, etc).

GIven that the pin / axle nut should see very little side loading I figured this would be a neat solution to repacing the orignal cotter pin design. They are fairly easy to put on, look clean and are cheap. Attached are a couple pictures of the installed rods and axle nuts.

Hopefully that helps someone in the future!

Attached Thumbnails

  • 20121221_175813.jpg
  • 20121221_175818.jpg

Edited by jrk, December 26, 2012 - 03:49 PM.

  • daytime dave, MH81, Texas Deere and Horse and 3 others have said thanks

#2 Texas Deere and Horse OFFLINE  

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Posted December 21, 2012 - 11:41 PM

That is a great idea, thanks for sharing. :thumbs:

#3 chris m ONLINE  

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Posted December 21, 2012 - 11:49 PM

Great thinking! I am sure that will help many folks out! :thumbs: So... did you get to play in the snow after your fix?

#4 MH81 OFFLINE  

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Posted December 21, 2012 - 11:56 PM

Hope the nuts did as you hoped. (I assume you got to go play in the white stuff)

Thanks for the idea, they do look nice on there.

#5 KennyP ONLINE  

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Posted December 22, 2012 - 04:58 AM

Good idea using those. Hope they do the job for a long time.

#6 Farmlife OFFLINE  

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Posted December 22, 2012 - 06:45 AM

That looks great. When I had my Wheelhorse, I had the same issues with the plow, it seemed like something was always goin wrong with that thing. Great work...should serve well.

#7 mjodrey OFFLINE  

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Posted December 22, 2012 - 07:22 AM

Hey,not a bad idea. :thumbs:

#8 Alc OFFLINE  

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Posted December 22, 2012 - 07:26 AM

Nice idea :thumbs: Gives the plow a "custom" look , Al

#9 IamSherwood OFFLINE  

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Posted December 22, 2012 - 07:39 AM

Pretty sure they are called Pal nuts. They are used alot on boat trailers, to keep the
rollers on the shaft. They sorta get destroyed, when you remove them, so keep spares around.
They do a good job, gripping the shaft.
That's a nice clean look. Thanks.

#10 JDBrian OFFLINE  

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Posted December 22, 2012 - 07:39 AM

Great idea. That's an easy and cheap solution to your problem. Those things are pretty near impossible to get off, so it should hold the pin no problem. Make sure you have a few spares around in case you need to remove the pin. They usually get mangled in the process of removing them.

#11 JDBrian OFFLINE  

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Posted December 22, 2012 - 07:40 AM

Will, we both posted the same thing at the same time. LOL!!
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#12 IamSherwood OFFLINE  

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Posted December 22, 2012 - 07:42 AM

Will, we both posted the same thing at the same time. LOL!!


Ah, so you've wrestled with them too!! LOL

#13 KC9KAS OFFLINE  

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Posted December 22, 2012 - 09:21 AM

Looks good.
I would keep an eye on them to make sure they stay in place....I recently disassembled a WH plow, cleaned & painted it. When I re-assembled it, I used hair-pins in the rods, as I had a real tough time removing the cottor pins that were in there.

#14 daytime dave OFFLINE  

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Posted December 22, 2012 - 09:43 AM

Thanks, that's a great idea and they look good too.

#15 olcowhand OFFLINE  

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Posted December 22, 2012 - 09:47 AM

My area Lowes carries a few sizes of those, along with Fastenal, Advance Auto & more. I think TSC does also??
And they ARE called "Pal nuts", but so are the twist on type. So you'd ask for "drive on pal nuts".




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