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Cub won't go in sub-freezing weather

C

CRS5357

New User
My old cub will shift into gear at 32 and below, but will not move forward, as if the rear axle is stuck or something. Could there be water
in the fluid or something that freezes and causes
this problem? Tractor sat outside for yrs.

Thanks for the advice.
 
Yes. You need to completely drain the fluid from the transmission/differential. There is probably a gallon or two of water in it.
 
I won't go in sub-freezing weather either. However; I agree with the others and suggest you look for water in the transmission. I had fluid with water and it looked like tan paint.
 
My knowledge of the Cub is non existent so bear with me guys. Could it just possibly be the brakes freezing on. Certainely not the most impossible situation and also certainely the easyist to check and the cheapest to fix MTF
 
BTDT a few times, not with a Cub. I once also ran into a situation (830 Case) where just draining and replacing didn't do it. Some oil/water obviously hung up somewhere and the problem continued. The final solution (getting a little costly by this time was to drain my nice new oil, replace with diesel fuel, run for two hours light work and re relace with new oil. I had a lot of fire starter by the time I was done but the tractor worked.
 
Drain the tranny and final drives after all these yrs there must be some moisture in the lube and when it frezzes its hard to get the tractor to move. Then do the tractor a favor and park in a shed
 
Condensation. Condensation or water in the Cub"s trans/differntial is a reoccuring problem.

Drain the trans/differential and the finals. Operators manuals suggests once a year before freezing temps.
 

I have found my 55 hard shifting in the winter, but it was due to 90 weight oil.
The gear lube gets real thick in the cold weather, making for poor shifting.

I found that by running Syn 90 weight gear oil that shifting is very smooth in the cold weather.

I bought Royal Purple Syn 90 weight gear oil and what a differance.

Last winter here in Michigan was real good for snow fall and i plowed alot , no leaks and shifting smooth.

I do have to agree with everyone " you have water".

The lower pans on the bull gears hold 1 quart of oil i do believe.

The trans has a plug on the left side of the trans that tells you that it is full to the correct level. 1 1/2 quarts i do believe.

If you decide to run the normal oil and it is stiff shifting , let the pto run.

I found that letting the pto run warms up the oil quicker as opposed to it not running.


Hope some of my findings help you.
 
i would bet the farm its water mixed in with tranny fluid.Mine was so bad when i got it i had to change it ,run ,then change it 3 times till the oil stayed clear.Dont"t forget there is a drain plug for pto too.If you dont drain it there as well it will mix with the new fluid eventually.
 

Scientifically, it would take literally hundreds of years for enough condensation to build up in the rear end of a tractor to become a problem. I certainly hope you change the fluids more often than that.

Anecdotally, we've got tractors whose transmission fluid has not been changed in 30 years (oil still looks like new), and they will still go at any temperature. They literally sit for a month in sub-freezing weather, until we need one to move the wood trailer. No problems.

The difference? They all spend at least 363 nights a year in the shed.

The main cause of water buildup in a tractor is leaving the tractor out in the weather. If you can shed your tractor at all, get it under a roof of any sort, it is advisable. Any sort of cover is better than nothing at all, and will eliminate a lot of those weather-induced problems. No shed? Buy a decent tarp (like a heavy silver or even canvas) and some bungees.

If I had to leave a tractor outside, I'd sell it. I couldn't stand it sitting there getting wet and knowing my luck it wouldn't start when I needed it to.
 
OK, so the universal opinion is water in the trans. This does not take HyTran fluid, but
traditional or synthetic 80/90 fluid? IS there a source for how to drain and refill? THANKS!
 
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