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Farmall & IHC Tractors Discussion Forum
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30wt oil or HyTran for Hydraulics?

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Darren in TN

09-09-2003 10:40:12




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Anyone out there got any thoughts on whether 30wt oil is ok for the hydaulic system on my Super A? I've heard that because the seal between crankcase and hydraulic pump is easily blown, 30wt in the hydraulics is safer for my engine. However, I keep reading posts about people pumping HyTran, etc. into their crankcase and not knowing until their touch control wouldn't lift. Is there any real benefit to using 30wt in the hydraulics?

Thanks again for all the great advice you guys give,
Darren

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Merlin

09-10-2003 02:12:20




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 Re: 30wt oil or HyTran for Hydraulics? in reply to Darren in TN, 09-09-2003 10:40:12  
Thats what the dealer told my Dad in 1950 when he bought his new Super A, so he changed to 30 wt. non detergent oil in the hyd. unit. Its been rebuilt one time only two years ago. I continue using 30 wt. in it, but I have rebuilt a few others and I allways use HyTran in them. Almost anything will work, but HyTran is best in my opinion.



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CNKS

09-09-2003 18:35:48




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 Re: 30wt oil or HyTran for Hydraulics? in reply to Darren in TN, 09-09-2003 10:40:12  
Do as Hugh says. Actually the seal doesn't blow. Since the shaft turns all the time the seal, or o-ring, depending on the pump, slowly wears out, while at the same time wearing a groove in the shaft. The combination results in a progressively worse leak. It doesn't happen all at once, but takes years. I suppose use of the hydraulics will force oil past a worn seal, but it doesn't actually increase the wear on the seal or shaft.

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Hugh MacKay

09-09-2003 13:19:36




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 Re: 30wt oil or HyTran for Hydraulics? in reply to Darren in TN, 09-09-2003 10:40:12  
Darren: I'd stick with the Hy tran those seals in pump only go once every 50 years unless you let the system run dry of oil. I know two of mine have never had the seal changed. My SA is 50 years old and 130 is 45. I suspect running low in hydraulic oil is bigger culpert than the 50 year senario. That touch control unit does not have a very large resovoir, doesn't take much of a leak to run them dry. Then there are those who figure I'm not using hydraulics so it doesn't matter.

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