1966 International Cub

Satohbill

Member
I have had my Cub for a few years. As long as i have had it there has been a chatter noise when driving on the left side rear wheel. Most people said check your lug bolts. One guy said it sounded like a gear tooth was broken. I can hear the noise in all gears. Noise does not affect performance but I just want to know if he could be right about the broken gear tooth and if he is, what damage can I do by continuing to use as is?
 
One way to assess the issue is to make sure it is not the wheel to rim, or wheel to hub connection. Putting finger nail polish on each nut/clamp where it touches the metal it
supports, will allow you to see if they are loose enough to have motion. Most gear teeth do not chatter, but click or tick. Looking at the teeth will require taking off the pan
and that is also not too bad. Driving it with broken teeth is just going to cause increasing cost of repair. Driving with loose wheel attachment at this stage is not deadly, but
is easy to fix. If you need to tighten a bolt, Lift the wheel off the ground first to prevent it from having stress applied to that connection then loosen and put light
lubrication on clean threads before tightening. Jim
 
It is possible there is a chipped gear.There are a lot of tractors out there with gear chipped(I have one of them).If it's run for years,dont worry.Only worry it until it gets louder and changes. If it was going to blow up,it would have already done it.
 
Perhaps it is a ticking noise instead of a chatter. I was told that if it was a gear tooth that you would only hear the noise on the gear that was missing the tooth and not all gears. What would cause the tooth to break. What is estimated cost to repair if it is broken gear tooth.
 
Are there things I should avoid to keep from making damage worth. Or should continue to cultivate and scrape with it.
 
If you've been using it like that for years,why worry now. Any damage that could have been done has been done. Just drive as usual and don't worry.
 
(quoted from post at 08:30:47 01/09/20) Are there things I should avoid to keep from making damage worth. Or should continue to cultivate and scrape with it.

Sooner or later whatever is wrong will reveal itself in spectacular fashion.

Thankfully, a Cub is not hard to deal with. If it will roll, a couple of reasonably strong people can push it around, or it can be towed with a quad, lawn tractor, small car, just about anything with a motor.

Parts are plentiful and reasonably inexpensive. You can buy a whole complete used final drive assembly and axle and have it shipped via normal carriers. I can't imagine any repair will cost you more than a couple hundred dollars at worst if you manage to totally wreck the whole final drive.
 

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