620 hydraulic oil

alfrehner · Nov 1, 2017

I drained out the oil in the hydraulic system in my 620. The book calls for 30 wt or 10w-30. Can you run hygard in the system or will that ruin something. All my implements that I share with other tractors are all hygard so it will eventually get mixed. I would appreciate your thoughts and expertise on this. thanks

coonie minnie · Nov 2, 2017

I have used hy-gard the last few years in Power Trol systems. No headaches.

jdjerry · Nov 2, 2017

I have used hyguard for over 20 years in all of my 2 cylinders.

Mike M · Nov 2, 2017

Me too. I always put hy-gard in the 2 cyl. pto and hyd.

J D damned · Nov 2, 2017

(quoted from post at 21:56:23 11/01/17) I drained out the oil in the hydraulic system in my 620. The book calls for 30 wt or 10w-30. Can you run hygard in the system or will that ruin something. All my implements that I share with other tractors are all hygard so it will eventually get mixed. I would appreciate your thoughts and expertise on this. thanks

hy Tran is 20 w oil but works fine probably a lot better than a 30 w oil in the 50 s

alfrehner · Nov 2, 2017

thanks for all the input. I appreciate it.

fixerupper · Nov 2, 2017

Hy Tran is too thin for those old two bangers unless you are using the hydraulics in the winter. The tolerances never were very tight when they were new. Now 50-60 years or more later I can't imagine them being at factory specs anymore. Hy Tran won't hurt anything, you just won't get full pressure when it's good and warmed up.

620 hydraulic oil

alfrehner

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coonie minnie

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jdjerry

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Mike M

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J D damned

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alfrehner

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fixerupper

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