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Discussion Starter #1
Add me to the list of a new 5065E tractor (40 hrs) with Hydraulics Overheating while brush hogging. I have checked the SVCs and they are in the proper positions. I have my loader removed and it happens mainly when backing up a steep hill. I have added an extra gallon of Hy-Guard that brings the oil level to approximately 1/4 full on the top site glass on level ground.(Manual says to fill them between the site glasses)

When the warning light comes on, I pull to the bottom of the hill and turn the tractor off for about 30 seconds. I restart the tractor, light goes off and I continue on. Its happened about 4 times now. Any suggestions on anything else to try to prevent this in the future will be appreciated....thanks.

I thought about changing the hydraulic filter but just can't seem to think that is the problem since it is a new tractor.

I plan on contacting my dealer but they are closed today....lol
 

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Are they really overheating or is the light just coming on for a problem?

Definitely replace the HYD filter since that's where the problem seems to be. I had a New Holland T6 155 at work do the same and a filter change cleared that up.
If that doesn't clear it up you can move on to other symptoms like linkage and valves stuck.

Some new smaller tractors are finding quite a bit of Permatex in the strainers from being built. That would require HYD fluid change or catching it to re-use, just something to think about.
 

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Sounds like your running the hydraulic oil sump dry, the suction screen is in the rear of the tractor, going up steep hill in reverse, are you getting a hydraulic over temp light, or matbe low pressure.
 

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Discussion Starter #4
Sounds like your running the hydraulic oil sump dry, the suction screen is in the rear of the tractor, going up steep hill in reverse, are you getting a hydraulic over temp light, or matbe low pressure.
It's the over temp light that I have been seeing. I wonder too about running the sump dry and maybe the high temp light was coming on instead. All the fluid would be going towards the front of the tractor but i don't lose any power steering or don't have any problems with the power reverser transmission.
 

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Discussion Starter #5
Are they really overheating or is the light just coming on for a problem?

Definitely replace the HYD filter since that's where the problem seems to be. I had a New Holland T6 155 at work do the same and a filter change cleared that up.
If that doesn't clear it up you can move on to other symptoms like linkage and valves stuck.

Some new smaller tractors are finding quite a bit of Permatex in the strainers from being built. That would require HYD fluid change or catching it to re-use, just something to think about.
Thanks...I will keep that in mind.
 
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