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Re: fergie TO-20 3 point/hydraulics issue

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Author  [Modern View]

02-02-2014 20:11:13

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One more thing, the original oil requirements called for a very heavy oil. That won't work in cold weather.

The new recommendation is either 10w40 engine oil or universal tractor transmission oil, made just for old tractors that share the trans oil and hydraulics. Tractor Supply has it.

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Jason S.

02-03-2014 05:50:22

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 Re: fergie TO-20 3 point/hydraulics issue in reply to Steve@Advance, 02-02-2014 20:11:13  
I wouldn't recomend universal tractor fluid as most of it is not yellow metal safe. Which means it will eat away at the bushings in the transmission. Either go with the 10w30 engine oil or the GL1 90 weight mineral oil.

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02-03-2014 04:43:25

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 Re: fergie TO-20 3 point/hydraulics issue in reply to Steve@Advance, 02-02-2014 20:11:13  
I did use the 90w tractor oil from Tractor supply , this is the oil for everything ...should I replace with a lighter fluid ?

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Jason S.

02-04-2014 18:30:03

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 Re: fergie TO-20 3 point/hydraulics issue in reply to smittyslilfergie, 02-03-2014 04:43:25  
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The GL1 90 weight mineral oil will work fine. Yes it is thick when it is cold but if you let your tractor warm up first it will be fine. I have GL1 in mine and I routinely use it in cold weather. I just let it warm up for a bit before I use it. Go ahead and use it since you already have it in there. No reason to waste $50.00 worth of oil.

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02-04-2014 18:06:57

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 Re: fergie TO-20 3 point/hydraulics issue in reply to smittyslilfergie, 02-03-2014 04:43:25  
Yes 90W is going to be too heavy, especially in cold weather. The hydraulics will move very slowly. But it will work until you get the problems worked out, just in case you have to drain it to work on it.

I would also be concerned with the cleanliness of the bottom of the case. To my knowledge there is no filter on the pump intake. Since there was water in it, there's probably rust falling down from where the water condenses above the oil level. All you can do is clean it best you can, vacuum and blot it out before refilling it.

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02-03-2014 04:39:05

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 Re: fergie TO-20 3 point/hydraulics issue in reply to Steve@Advance, 02-02-2014 20:11:13  
I will give this a try tonight and reply with my findings. The manuals I have are from 1950 and the cartoon pictures are blurry , I will find a newer manual as I have a feeling this will not be the last time I stick my hands in the guts of this ole fergie. so far from what I see these old tractors are simple design and very fixable in most environments but you guys are the key with your experienced advice.

You guys are Awesome and way better than a manual,


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