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Farmall & IHC Tractors Discussion Forum
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Farmall H won't go into 5th gear!

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Nick Misch

07-02-2006 21:01:12




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Hello,

I have a 1946 farmall H and it won't go into 5th gear. It will go into all of the other gears just fine. When you try to put it in 5th it just kicks the shifter out of what would be 5th. Any Ideas on what could cause this. PLEASE HELP!

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Nick Misch

07-03-2006 17:32:58




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 Re: Farmall H won't go into 5th gear! in reply to Nick Misch, 07-02-2006 21:01:12  
hello again,

Just wanted to add some more info to my problem. When you shift into fourth it is just fine but when you go to shift into fifth it seems like something is stopping it from going all the way. The shifter doesn't move as far as the other gears do. It is like a noch that you can't get out of. When you attempt to put it in fifth and you let out the clutch the shifter gets kicked into neutral and then you can hear the gears grind. Could it be that something is in the way? Or is it still worn shaft/gears. Thanks a lot Nick

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Janicholson

07-03-2006 16:12:30




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 Re: Farmall H won't go into 5th gear! in reply to Nick Misch, 07-02-2006 21:01:12  
THe 4th 5th sliding gear is only a "gear for fourth. Fifth is a spline clutch on the shaft at the front that meshes with splines in the input shaft. Looking at the gear will not tell you anything, they look nice (unless fourth is trashed). The splines in the input shaft are usually worn to short nubs from hard grinding into fifth for hunderds of thousands of shifts. The fix includes at least an eighth in overlap of the shaft into the splines (you probably have .oo5" or less, just nubs of splines. Replacing both the input shaft/gear, and the 4-5 slider is probably needed. the roller bearings in the intermediate bearing (between the input shaft, and the top shaft will fall into the trans when comming apart. Put a cloth into position to catch them on disassembly. use heavy wheel bearing grease on the bearings to hold them in place when going together. Good luck, JimN

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arod

07-03-2006 10:16:47




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 Re: Farmall H won't go into 5th gear! in reply to Nick Misch, 07-02-2006 21:01:12  
worn teeth...
I am in the progress of replacing the gears in my H tranny, and just posted a question on it.

I bought a tractor from a junk yard, complete BUT the tranny had filled 1/2 way up with water, and corroded the teeth on the gears to hell, so pitted and garbage that I must replace all 4 gears on the top shaft.



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Buzzman72

07-03-2006 08:37:24




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 Re: Farmall H won't go into 5th gear! in reply to Nick Misch, 07-02-2006 21:01:12  
Ran into an H on steel a few years back that a fellow was using for dragging logs out of the woods, and it had a long bolt or pin that wouldn't allow the shift rail to slide forward to engage 5th gear. I've been told that most of the H's that came out on steel wheels had that pin, and if you replace it with a shorter bolt, you'll have 5th gear.

Now, if you've ALWAYS had 5th gear until now, this information obviously doesn't apply.

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Nebraska Cowman

07-03-2006 04:12:10




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 Re: Farmall H won't go into 5th gear! in reply to Nick Misch, 07-02-2006 21:01:12  
The teeth are worn off the gear.



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