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NW Ohio,near Findlay | I think it has thermal relief check valves, I know the 20 series has them. If bad, oil will bypass. I you have good hearing, you can hear it. On our 4020 if you start the tractor and fast idle for a while, you can feel the steel lines going to the remotes, and they will get warm, oil should not be flowing it nothing connected to the remotes. Also the three point, rockshaft has thermal relief valves. Hope others has more info on them. | |
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4430 hydraulic pressure issues revisited
