Non-bolt-on Cat 1 Draw Pins

bkboggy

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Hmmm. Allergic to drills? I guess you are just SOL.

Dan
Not sure why you chose to say that, but whatever. I figured it'd be a common thing and I'm just not looking for it correctly. However, as Russell King mentioned, location of the existing hole on most of these is not convinient for boring it out further.

Interesting problem

You need a 7/8 diameter (Clevis) pin with a lynch pin hole at the end. Most have the smaller diameter hole for cotter pins.

This one has a padlock hole in the end so could be used if you are okay with the bent end.


I am sure that there are many implements with that type of attachment that is for category 1 lower arms. So it seems odd that it isn’t easy to find the pin. I would ask around at a implement sales and see if you can order spare pins for one of the implements that are category 1

I did locate these that are long so you could get them and get it drilled in the right place for the lynch pin size you want.

Yep, ended up looking at Maschio Gaspardo implements and it seems they come with these pins. If I don't find the right ones, I'll try contacting them.

If you are just using it for the top link pin, it doesn’t have to be exactly as you have it. As long as it’s the correct category (diameter) it will work.

I'm not. As mentioned, I'm using it as a draw pin.


I did end up finding the right ones on eBay after some more searching. Found some 7/8" toplink pins. I'll either order them or the ones NCL4701 suggsted (similar to the ones I posted earlier in this thread).
 

PoTreeBoy

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Not sure why you chose to say that, but whatever. I figured it'd be a common thing and I'm just not looking for it correctly. However, as Russell King mentioned, location of the existing hole on most of these is not convinient for boring it out further.



Yep, ended up looking at Maschio Gaspardo implements and it seems they come with these pins. If I don't find the right ones, I'll try contacting them.




I'm not. As mentioned, I'm using it as a draw pin.


I did end up finding the right ones on eBay after some more searching. Found some 7/8" toplink pins. I'll either order them or the ones NCL4701 suggsted (similar to the ones I posted earlier in this thread).
If the ones NCL4701 found are really Cat 1, they'll be 3/4". Cat 2 are 1". You could turn a couple down to 7/8". I'd get a couple of Gr8 bolts, cut the threads off, and drill a hole. Actually, I'd probably just use a bolt and nut.
 
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NCL4701

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Cat 1 toplink is 3/4”. Cat 1 lift pin is 7/8”. The plain 3/4” top links seem to be available all over everywhere. The plain 7/8” lift pins not so much.

A while back I lost one of the 7/8” lift pins that came with my boxblade and planned to replace it figuring it would be cheap and readily available just like the toplink pins. For whatever reason, it wasn’t all that easy to find a 7/8” pin that didn’t have a big loop on one end and small hole for a hairpin in the other. Pins similar to a toplink pin in 7/8” diameter seemed to be virtually unavailable online. Local Tractor Supply didn’t have them. By the time I stopped by the dealership and saw they had them I wasn’t looking for one due to anything beyond curiosity. I guess I could have used any 7/8” pin with a little modification or I could have used a bolt, but being the WG24, WC68, and pine straw rake all came with the same type pin, I still had plenty of pins. A couple weeks later I found the lost pin in the tractor pin drawer in the shop. Why I put it there instead of leaving it in the boxblade like usual no clue.

I was kind of surprised three of my implements came with the clevis type lower link attachment that requires a separate pin and yet direct replacements weren’t readily available.
 
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bkboggy

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I think that has 3/4 OD, since it's a Cat 1 Top Link. Bottom link OD is 7/8 and it's not a good idea to put smaller OD links there for multitude of reasons, one of them being that it'll quickly create oblong holes in the implement.
 

bkboggy

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Cat 1 toplink is 3/4”. Cat 1 lift pin is 7/8”. The plain 3/4” top links seem to be available all over everywhere. The plain 7/8” lift pins not so much.

A while back I lost one of the 7/8” lift pins that came with my boxblade and planned to replace it figuring it would be cheap and readily available just like the toplink pins. For whatever reason, it wasn’t all that easy to find a 7/8” pin that didn’t have a big loop on one end and small hole for a hairpin in the other. Pins similar to a toplink pin in 7/8” diameter seemed to be virtually unavailable online. Local Tractor Supply didn’t have them. By the time I stopped by the dealership and saw they had them I wasn’t looking for one due to anything beyond curiosity. I guess I could have used any 7/8” pin with a little modification or I could have used a bolt, but being the WG24, WC68, and pine straw rake all came with the same type pin, I still had plenty of pins. A couple weeks later I found the lost pin in the tractor pin drawer in the shop. Why I put it there instead of leaving it in the boxblade like usual no clue.

I was kind of surprised three of my implements came with the clevis type lower link attachment that requires a separate pin and yet direct replacements weren’t readily available.
Yeah, I haven't tried my dealership yet, as you and a few other folks have mentioned. I'll try them tomorrow and see what they say. It's a bit of a drive for me, so hopefully they'll understand what I mean over the phone. ;)
 

GrizBota

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Most of the smaller holes are pretty close to the end, meaning the larger hole would need to be offset to the existing hole. Hard to do without a drill press.
My brush hog uses the 7/8” pins you’re after, it’s a Land Pride. Except the pins use hair pins, probably about 3/16” diameter.

As to drilling your own hole, that can be done, just drill 90 degrees to the existing hole at the desired distance from the end. Start with an 1/8” pilot and finish up with whatever size it is you want. This presumes the overall engagable pin length is adequate. Unless these pins are harder than I give them credit for. Indeed a drill press will make this an easier task.
 
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bkboggy

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My brush hog uses the 7/8” pins you’re after, it’s a Land Pride. Except the pins use hair pins, probably about 3/16” diameter.

As to drilling your own hole, that can be done, just drill 90 degrees to the existing hole at the desired distance from the end. Start with an 1/8” pilot and finish up with whatever size it is you want. This presumes the overall engagable pin length is adequate. Unless these pins are harder than I give them credit for. Indeed a drill press will make this an easier task.
Hair pins ey... maybe I'm overthinking it, trying to stick with the 7/16 lynch pins.
 

GrizBota

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Hair pins ey... maybe I'm overthinking it, trying to stick with the 7/16 lynch pins.
Sure, I get that. I was attempting to offer a solution. Hopefully you’ll find what you’re after.
 

bkboggy

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Sure, I get that. I was attempting to offer a solution. Hopefully you’ll find what you’re after.
My wording was probably a bit off. What I mean is that perhaps I don't need to stick with the 7/16 lynch pins and I'm overthinking the whole thing.
 

Fordtech86

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I haven't tried my dealership yet, as you and a few other folks have mentioned. I'll try them tomorrow and see what they say.
If you are going the dealer route, here is the land pride p/n.

BAE5A1F3-6B02-45B5-8E6F-2F9D2A9715CF.jpeg

Or these are a little shorter

E8118AF6-2353-4913-A695-731F46C0B7D6.jpeg

They take 5/16 lynch pins though
 
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GreensvilleJay

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The possible disaster using 'R' pins or 'hairpins' is that they can come off real easy when a branch hits them just right...and you won't know it until..oopsy occours..
Lynch pins, as long as oiled and shimmed, probably will never come off
 
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TheOldHokie

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windyridgefarm.us
The possible disaster using 'R' pins or 'hairpins' is that they can come off real easy when a branch hits them just right...and you won't know it until..oopsy occours..
Lynch pins, as long as oiled and shimmed, probably will never come off
  1. You dont need 7/16 pins here
  2. If hairpins working loose worries you get 1/4" linch pins.
  3. If you are truly paranoid get safety pins.
This is a total nothing burger.

Dan

3DZN8_AS01.jpeg
 
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wendol

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The possible disaster using 'R' pins or 'hairpins' is that they can come off real easy when a branch hits them just right...and you won't know it until..oopsy occours..
Lynch pins, as long as oiled and shimmed, probably will never come off
Yep, have had more than my share of lost pins............Recently order these and so far no more lost pins, just have to be sure you get the right size to let the spring compress.