Yeah, I was amazed the 35 year old MF with the shuttle transmission states 10w motor oil meeting xyz mil spec, but it wants hydraulic fluid meeting abc mil specs in the transmission.

Fortunately, there's some multi use fluids out there now that meet all the specs.

I seem to remember the old Case 480 and 480B backhoes my friend owned used diesel and hydraulic fluid. None of this new stuff needed. Five gallon milk cans of each kept in the truck in reserve.

The desert is a true treasure for him who seeks refuge from men and the evil of men.
In it is contentment
In it is death and all you seek
(Quoted from "The Bleeding of the Stone" Ibrahim Al-Koni)

member of the cabal of dysfunctional squirrels?