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Mineral oil for hydraulic in Jubilee????????

J

Jim(S.E.Mich)

Member
I have 5 Gallons of "Traveller Ford tractor all mineral, SAE 90 wt transmission fluid rated GL-1 and am wondering if this is O.K. for my Jubilee Hydraulic system. Does anyone think this would hurt the Piston type hyd pump? My feeling is that except it may be that 90 Wt may be a tad heavy, it should work great except when the weather is very cold. I know this has been debated extensively but still would appreciate any advise anyone may have. This tractor is used for quite lite work except sometimes lifting and carrying heavy loads of wood in a carrier I built for the back end.
Jim
 
NO. Not recommended.

If you must use it, use it in the transmission, differential and steering box only.

Dean
 
Why do you say that 90 wt oil may bust the pump?
The specs call for 80 wt oil. Is mineral oil a type that gets heavier when cold than M4864A or M2C41????? The spec calls for 80 wt. Just asking about something I may not know about.
Thanks for answering.
Jim
 
Dean,
What would be a good oil for this? The spec calls for 80 Wt M4864A or M2C41.
I appreciate your response and not trying to be argumentive but just trying to find out why.
Thanks,
Jim
 
Jim:

CNH recommends 134D or equivalent. The GL-1 is a much older spec oil that thickens far too much for operation in TN yet alone MI. It also has very little EP additive and none of the additives added to modern hydraulic oils.

Dean
 
The Ford service manual calls for 80 or 90 GL1 depending on temperature.My 640 with a vane pump lost lift power in hot weather with 134 fluid.It could not lift a 275 lb cord wood saw at idle speed at all.There were times when it would have a hard time lifting the saw.Ford never reccomended the 134 fluid, new Holland did that after they bought the tractor line from Ford.Do a search on Ford MC 4864 oil.You will get the right answer .Some jokers would tell me to change to a piston pump, this could cost up to 1600 bucks,15 bucks fixed the problem.I sawed fire wood for 4 hours with no loss in lift power.I had to move to scattered piles of 4 foot wood. the saw lifted fine at idle speed.
 
(quoted from post at 06:44:31 11/16/09) The Ford service manual calls for 80 or 90 GL1 depending on temperature.My 640 with a vane pump lost lift power in hot weather with 134 fluid.It could not lift a 275 lb cord wood saw at idle speed at all.There were times when it would have a hard time lifting the saw.Ford never reccomended the 134 fluid, new Holland did that after they bought the tractor line from Ford.Do a search on Ford MC 4864 oil.You will get the right answer .Some jokers would tell me to change to a piston pump, this could cost up to 1600 bucks,15 bucks fixed the problem.I sawed fire wood for 4 hours with no loss in lift power.I had to move to scattered piles of 4 foot wood. the saw lifted fine at idle speed.
Click to expand...

Nowhere can I find any Ford (or NH) recommendation for SAE 90 gear oil in the hydraulic system. The manual calls for M-4864A hydraulic oil (SAE 80) at temps above 10F and for temps under 10F the recommendation is to THIN it with 2 qts of M-4864D, viscosity unspecified but obviously something less than SAE 80.

Those oils are no longer available and have been superceded by the M2C-134D specification which has the same viscosity (SAE 80, 10 cSt @ 100C) as the M-4864A. The M2C-134D also has an excellent additive package and a much higher viscosity index which makes it suitable for use at temps below 10F without adulteration.

You can whine about the cost of replacing your worn out pump all you want but the fact is it's worn out. Put a good pump on your tractor and the M2C-134D, which is the modern equivalent of the original specification, will work just fine all year round. FWIW I can put a brand new gear pump on your tractor for 1/4 of the cost you quoted and put $200 of that in my pocket. But I suspect you'd rather just continue to blow smoke and fume about the "thin" oil rather than actually fix your tractor.

TOH
 

I run 80W90 not straight 90 in the hydraulics with no problems,,, I am not a fan of 90W and would not run it in anything

I also run 134 with no problems...

I would not use 90wt in the hydraulics
 
Can anyone tell me what mineral, they squeeze this oil out of?

Or at least why it is called that?

I can understand where corn oil, olive oil, safflower seed oil, hemp seed oil, coal oil, etc. comes from.

I am a bit confused on mineral oil, and baby oil.
 
(quoted from post at 16:32:36 11/17/09) Can anyone tell me what mineral, they squeeze this oil out of?

Or at least why it is called that?

I can understand where corn oil, olive oil, safflower seed oil, hemp seed oil, coal oil, etc. comes from.

I am a bit confused on mineral oil, and baby oil.
Click to expand...

Dunk, you are killin' me !! :D
 
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