locked in gear SMTA

OK I have removed the shifter, looked in the hole and used a screw driver to line things up. I don't know how to tell if I have it correct. Part of my problem is that it seemed too easy. If all the notches are even is that correct? I have decided to tig the end of the shifter. I can look at it and tell how it used to be I think. Should the tip be filed off pretty much with square corners? Thanks, Ellis
 
You can tell if it's right if the tractor will roll. If it won't roll, then it's still in gear, and a shifting fork is probably broken.

I found this image that has the measurements for the shifter tip:

5C2F4B76-64E4-4096-8D67-BC92F140E484-1942-000002D292D3DACF.jpg
 
Theres 3 places that all the rails will line up, so you need to line the 3 slots up in the center, which will be neutral. The last few shifters I had fixed I just rounded off the corners just enough to keep them from possibly catching on the slots.
 
Congratulations on your success. I remember when this very thing happened to me on our 450. I had no idea what was wrong. My father knew, though. A 450 is quite easy since it is a matter of removing the 3 bolts holding the shift lever and cap on the top of the transmission and lining the rails up.
 
I had that happen on my SMTA a few years back when I got in a hurry shifting gears. Thanks to things I had seen on this site I knew how to fix it. I think I built up the end of the shifter lever also. Stuff wears after all those years of use.
 
Saw a brand new one once and the shape is like a woodruff key. Just small enough to fit in the slot and narrow enough for front to back movement, doesn't quite fill the whole space. Widest part down and curved part on top towards the shift knob.Curved.At least if you go too big you can grind it down.
 

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