I think the hydraulic reserve is the transmission oil, (I think), this has a small hydraulic pump off of the injector pump that I believe runs everything?
The lines from the hydraulic pump go into the rear end, there is no dipstick to check the oil, but there is a plug in the side of the transmission, I believe that's how you check the oil level?
If the oils are in different reserves, then if they would of leaked together, would there be enough oil to leak from the very top of the transmission?
Wouldn't the oils level out???
I was using a mower at PTO speed, I was mowing on rough ground at about 3 1/2mph, the temperature was 97 and the oil didn't start leaking until I was about 45 minutes into mowing.
I don't know if any of those things would have effected anything?
Thanks for the help