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Sorry, another 134 vs 80w90 fluid question

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Jon (IN)

04-08-2003 15:36:29

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I know this has been covered extensively, but I am still leary of which fluid I should put in my 801. I thought I had it figured out....134 in hydraulics and 80w90 in tranny and rearend. Well, I was at the local dealer this weekend and a guy walked in and asked "What type of fluid should I run in my tranny?" response from behind the counter was "Nothing but 134 fluid in everything but the engine!" So I asked if that held true for my 801. Their response was Yes, you could run 80w90 in the tranny and rearend but if there is a leak between them and the hydraulic system, you could be in trouble. Now I am scared... don't know which fluid to use. I am beginning to wonder if it is just much ado (sp)about nothing. How would I know if the 2 leaked together? I have just finished going through my 801 and would like to do it right.
Someone set me straight once and far all.

Thanks,
Jon

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Mike in Ohio

04-12-2003 16:56:49

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Re: Sorry, another 134 vs 80w90 fluid question in reply to Jon (IN), 04-08-2003 15:36:29

I've got a 640 with three separate compartments for the trans., hyd., & rear-end. I ran Shell Tellus 32 in the hyd.( equiv. to 10w). It was too thin, so I went to Shell Tellus 68 which would be on the order of 30W and the hyd. work fine. The Shell Tellus is a dedicated hyd. fluid. Shell also still makes 80W Hyd Fluid. It's called Dentrex or something along those lines. If the 30W doesn't work out, I'll go with the 80W Hyd fluid. I'm running Shell Spirax in the tranny & read-end (80w).Thought you might be interested.

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Ianc

04-09-2003 18:27:25

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Re: Sorry, another 134 vs 80w90 fluid question in reply to Jon (IN), 04-08-2003 15:36:29

I'm a New holland parts manager, we have 80-90 to sell too! But all colors, not just blue have gone to high quality universal fluids. They have much higher shear load, and contaminant resistance than the old fashioned oils. Your older machines cannot even come close to the stress placed on lubricants in the high horesepower high load macines being used now. If the old oils worked better they'd reccomend them to save their pocket book on warranty claims.

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klf

04-09-2003 19:47:00

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Re: Re: Sorry, another 134 vs 80w90 fluid question in reply to Ianc, 04-09-2003 18:27:25

I don't think they have to worry about warranty claims for tractors made in the 60's and 70's.

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IanC

04-10-2003 19:39:59

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Re: Re: Re: Sorry, another 134 vs 80w90 fluid question in reply to klf, 04-09-2003 19:47:00

They sure do about TG's, TJ's and all the other 200HP plus units in current production that use that "thin" oil.

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Jim.UT

04-09-2003 08:42:32

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Re: Sorry, another 134 vs 80w90 fluid question in reply to Jon (IN), 04-08-2003 15:36:29

So what exactly will be the dire consequence of getting a little 80W-90 mixed in the hydraulic system? Is it gonna blow up? Cause irreparable damage to critical parts? I have a hard time believing that. I tried 134 in everything and the axle trumpets leaked with the thinner stuff in there. I feel that the best prevention of damage lies not in what you use but how often you change it. Regular fluid changes will prevent more damage than 134 in the diff and trans.

I'm not a mechanic nor a Ford expert. I just feel like the New Holland quote the party line because that's what they have to sell.

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Phil (VA)

04-09-2003 10:22:44

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Re: Re: Sorry, another 134 vs 80w90 fluid question in reply to Jim.UT, 04-09-2003 08:42:32

I agree. That's exactly my experience also.

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Jon (IN)

04-09-2003 11:52:18

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Re: Re: Re: Sorry, another 134 vs 80w90 fluid question in reply to Phil (VA), 04-09-2003 10:22:44

Thanks for the replies.... I think I will run 80w90 in the tranny and rear and run 134 in the hydraulic. I was more scared about 80w90 in the hydraulic system. Sounds like the 134 is more likely to leak into the rear end.

Thanks again for the replies... Hope to get the old tractor rolling again this weekend. Been a long drawn out project but now that the tractor is coming back together, I am anxious to run it a little bit.

Jon

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Gary Puckett

04-08-2003 19:01:17

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Re: Sorry, another 134 vs 80w90 fluid question in reply to Jon (IN), 04-08-2003 15:36:29

The parts man at my local New Holland Dealer said the same thing. He has been working there over 20 years. He uses the 134 in all compartments in his own tractor. A long time mechanic told me the same thing. I put it in my 640 in all compartments.

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TimK

04-09-2003 06:58:22

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Re: Re: Sorry, another 134 vs 80w90 fluid question in reply to Gary Puckett, 04-08-2003 19:01:17

I agree with GP. Why make it hard on yourself and use 2 different types of fluids when one will do ? That way you can buy in quantity with a lower price and not have different types of fluids left over. I use 134 in everything, except engine, including the power steering for years. My $.02

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Ev H

04-08-2003 18:15:35

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Re: Sorry, another 134 vs 80w90 fluid question in reply to Jon (IN), 04-08-2003 15:36:29

On my 1972 4000 the transmission is quieter(mostly in 3rd) with the thicker oil. More cushioning I guess.

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RickB.

04-08-2003 17:31:43

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Re: Sorry, another 134 vs 80w90 fluid question in reply to Jon (IN), 04-08-2003 15:36:29

It is largely much ado about nothing, except don't use 80W-90 in the hydraulic system. For those who feel the 134 will seep out of seals, etc, your seals are on borrowed time anyways. Clean fresh oil is better than old contaminated oil. If you opt for gearlube in the transmision and rear axle, and 134 in the hydraulic reservoir should you get a little mixing the entire tractor WILL NOT dissolve into a useless glob. Make a choice, justify it from the various opinions, and go on.

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Tooly

04-08-2003 23:21:45

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Re: Re: Sorry, another 134 vs 80w90 fluid question in reply to RickB., 04-08-2003 17:31:43

Have run 80/90 gear lube (GL5) in my 851 tranny and diff since new in 1960, with no problem.

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