white6810

I have a White 6810 and when it is cold the low hydraulic pressure light is on and the PTO does not work and it stays in D range. If it is left in a heated shop it works ok, but if it's outside it has to run for hours before it operates normally. Is it just a sensor and if so, where is it? There are a lot of them.

cetane

Are you sure theres no water in the oil? Could be frozen and not letting fluid to the pump. Is there a restriction on the suction side of the pump? Is it a old pump that doesnt have enough suction to pull the cold thick Hydro oil to it? Have you tried switching to all ATF. It works way better in every situation than Hydro oil. I would look in to pump and suction and see if theres a screen before the pump and clean it. An always change the hydro filter and make sure that all of the springs and gaskets/ o rings are there.

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