Rockshaft Lift rod

Farmall Super A, AV, 100, 130, & 140 1939 - 1973

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superman
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Rockshaft Lift rod

Postby superman » Tue Jun 06, 2017 9:41 am

I need to replace the rockshaft lift rod on my Super AV. It has the "regular" lift arms in back, no fast hitch.
I found a 140 lift arm for sale that has the hook and large spring... as shown here:

https://goo.gl/photos/H2BtBJtk9kqGiXpT7

Would this work or was this made for use on fast hitch system only?

Jim Becker
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Re: Rockshaft Lift rod

Postby Jim Becker » Tue Jun 06, 2017 10:14 am

That rod was made for Fast-Hitch. I doubt it will fit. But it might fit if you use the entire assembly as pictured. Check overall length and the relevant diameters.

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Re: Rockshaft Lift rod

Postby superman » Wed Jun 07, 2017 6:30 am

Thanks Jim... I have asked the seller for measurements. It appears that the fast hitch rear arm was bent out to side more that regular one, according to some picture I have seen. I assume this was done to keep the rod straighter. Using the fast hitch rod on regular lift might cause it to hit fender. Not sure, what do you think?

Jim Becker
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Re: Rockshaft Lift rod

Postby Jim Becker » Wed Jun 07, 2017 11:04 am

I just don't know. Maybe someone that has been around more of the 100/130/140 Fast-Hitch tractors has a comment. Maybe Boss Hog has an idea?

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Re: Rockshaft Lift rod

Postby Super A » Wed Jun 07, 2017 2:47 pm

I'm almost 99.99999% positive the trunion in front of the spring, which attaches the rod to the rockshaft, is too big for standard Super A--140 rockshaft.

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Re: Rockshaft Lift rod

Postby superman » Fri Jun 09, 2017 7:28 pm

Yeah thanks... had the guy send me measurements and it's 7/8" diameter trunk on pin. Mine measures about 5/8".

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Re: Rockshaft Lift rod

Postby superman » Sat Jul 01, 2017 10:03 am

Could someone please possible give me dimensions for the non fast hitch Super A lift link Trunnion?
Mine is so messed up and butchered by PO that I don't think I'm getting accurate measurements.
I would like to get a machine shop to build me one...
I have attached a sketch if any one would be willing to print and fill out for me that would be great.
Thanks in advance...

https://goo.gl/photos/Gvw8L7XVYsosJ9Av5

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Re: Rockshaft Lift rod

Postby tst » Sat Jul 01, 2017 3:09 pm

is this the rod you need?
Attachments
IMG_4399.JPG
IMG_4398.JPG

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superman
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Re: Rockshaft Lift rod

Postby superman » Sat Jul 01, 2017 5:34 pm

Yes that's it... on the one I have the rod itself is not that bad, needs a little straightening that is it.
But the Trunnion at the end is messed up bad.


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