AC series II D15

[Whitaker]

I Need to know what kind of transmission fluid my tractor uses. It has separate hydralics. I"ve been told to use 90 weight oil. I"ve also been told to use Permatran 3. Is there any comparable fluid.

 

[Drawbar419]

90 weight from Walmart. It's cheap but still better than what was available when the tractor was new.