Transmission 4th Speed Gear

Johnnykick · Apr 26, 2017

Rebuilding a transmission on a 1955 Farmall 100. I can't remember how to install the 4th speed gear on the countershaft and the shop manual doesn't say. One one side the flange or sprocket is about 1/4" longer than the other side. Do I insert the long end on the shaft first, or the short end? I've attached a video for reference.

Thanks.

https://youtu.be/4wi3znnetOc][/url]

used red MN · Apr 27, 2017

The diagram is a little blurry, but here is what the
online parts catalog shows. Use at your own
discretion. Good luck.
Online parts diagram

Johnnykick · Apr 27, 2017

The parts diagram wasn't very helpful. However, I was able to dig back through some older videos I took of this rebuild and found that image that seems to confirm the larger end goes on first.

Another issue I'm now having is part # 51 of the parts diagram, a washer. I don't recall removing one when I disassembled the transmission. The countershaft is female threaded on the end presumably indicating a bolt to hold the washer on, which I also don't recall removing. Indeed, the parts diagram doesn't even identify a bolt. The washer is priced anywhere from $30-40. I can't figure out what its purpose is. Thoughts?

Jim Becker · Apr 27, 2017

The bolt is listed under the shaft, 7/16-20 by 1 1/4.

Johnnykick · Apr 27, 2017

Found it...thanks.

What is the purpose of the washer?

Jim Becker · Apr 30, 2017

The bolt and washer hold the bearing on the shaft (maybe more accurately hold the shaft in place in the bearing). Neither one would be effective without the other.

Transmission 4th Speed Gear

Johnnykick

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used red MN

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Johnnykick

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Jim Becker

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Johnnykick

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Jim Becker

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