Originally Posted By: gozapper
Thanks for the response.
I am having a problem that when my tractor gets hot, the hydraulic lift gets real slow. I have been told I need to use a better grade of fluid. I have been studying up on different oils and all the different specs mean nothing to me and then the lift works good when cold and get slow when hot, I guess maybe my pump is getting worn out.
Tom
Ahhh, any chance of getting a line pressure when it's doing that ?
It does sound like the pump internal leakage is too much when hot. If it's cylinder leakage, you'll have movement when in a stopped position.
68 might buy you some time, but will feed through spools slower when cold.