Ok got an up date. Got my tractor looked at and the mechanic said the main relief valve had low pressure coming through it. He adjust it and working fine now. He said when they get some hours on them they sometimes need adjustment
You measure the tractor relief pressure setting by connecting a gauge to the pump supply line.
If needed you adjust pressure by adding or removing shims in the relief valve.
READ and UNDERSTAND the procedures in the WSM for the specifics of your tractor. Doing it incorrectly can give you incorrect measurements, cause more problems, and possibly damage expensive parts.