Go Bottomb7510 top link parts
 | schunter
Join Date: Sep 2005 Posts: 18 SC 
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2006-05-11 129221
I have a b7510. it is a 2005 model. I bent the threaded part of the top link that attaches to the tractor. the one that attaches to the implement (looks the same) and the middle section are fine. The local dealer said the part was not available. does anyone have a source for a oem or aftermarket one that will work. I bought a universal top link but would like to return this one to service if possible.
thanks in advance
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 | yooperpete
Join Date: Jan 2004 Posts: 1413 Northern Michigan 
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2006-05-11 129223
I don't know if your tractor has an "inch" series threaded coupling or not. SpeeCo is a popular parts manufacturer that is handled by many dealerships.
They sell pieces:
For category I-Part number RE113 is a welded repair link that is 8" overall length with 5 1/2" of thread. Hole in the spherical bearing is 3/4". That has a 1"-8 (NC) LH thread. Thread O.D. would be 1.00 or slightly less.
The same as above, but part number RE114 is RH.
They only sell through dealers to my knowledge. Phone No. is 800-525-8322 and located in Golden, Colorado.
Another brand "Farmex" should also have the same thing.
The way to tell if it is an 8 pitch thread is to put a scale along the threads. Peak to peak should be 1/8" (.125") or in one inch of length you should get exactly 8 threads.
Be careful since if metric it could be 24mm x 3mm pitch thread. That would mean the thread O.D. would be .944 or slightly less and the pitch of 3mm (.118") or eight threads would be .944". If you check it over 16 threads is would be 1.888 or close to 1 7/8" instead of being exactly 2" if it were 1"-8 threads. ....
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| DK35vince
Join Date: Feb 2002 Posts: 689 Western,Pa. 
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2006-05-11 129233
Its easier to just replace the entire top link.
You can get a new top link at Tractor Supply CO. for around $20 ....
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 | DRankin
Join Date: Jan 2000 Posts: 5116 Northern Nevada 
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2006-05-11 129240
Make sure you measure before you get a generic top link.
Kubota uses some non-standard sizes and dimensions. ....
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| schunter
Join Date: Sep 2005 Posts: 18 SC
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2006-05-12 129271
i already have the generic top link replacement from tractor supply. the threaded portion is much thicker than the original kubota one i need parts for. it seems to fit fine. i did have to grind a little off for it to fit into the bracket on the tractor.
still looking for a replacement part to restore the original top link to service.
thanks for the replies. ....
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 | WillieH
Join Date: Feb 2003 Posts: 543 New England
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2006-05-15 129405
One thing that I came across awhile back, when I, er, ah, bent the toplink, (bad), I went to straighten it, and then removed it from the buckle.
It did straighten out enough for me to remove it, however, what I found out was that unlike the aftermarket toplinks where the ends (albeit rh or lh thread) just unscrew and fall out, the Kubota toplink, apparently before assembling the zerc fittings into the buckle, drive a stop pin into the inner most edges of the threaded portions. This way, incase one unturns the buckle too far, the assembly won't fall apart.
Well, it all came apart (eventually), and it works well again. However, at the bad end, it now has square thread cut into it rather than the original point pitch cut. As I was backing the bent portion out (and it was a bugger), when it came out, I saw the remnants of the stop pin. Then I went to put it back together, and soon realized that the internal thread of the buckle had been square thread cut by the pin cutting it's way out.
Be warned -
~ Willie H ....
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