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    New Holland T4.75 power star hydraulic problem

    still working on it I have removed the valve on top of the 3 point hitch that is under the seat and replaced all the o-rings ( they are some kind of expensive to) still doing the same thing . I noticed it does it also when I open the round bailer door it is hard to notice it because the...
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    New Holland T4.75 power star hydraulic problem

    I did use new holland oil . Thanks very much. If you think of something else please let me know
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    New Holland T4.75 power star hydraulic problem

    My tractor was built in June 2014 it worked perfectly until last summer when I finished cutting hay. Thats when we replaced the pump, relief valve , midmount hydraulic control valve ,rebuilt the lift cylinders, checked hyd coupling and hoses , replaced hyd filter and base , all new suction hoses...
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    New Holland T4.75 power star hydraulic problem

    i cleaned the oil cool and washed it out the oil don’t seam to be getting hot the steering and 3 point hitch works fine .I put a flow rate gauge on the loader lift you can see the rate drop when the oil is not just warm . When it drops it will come right back with flow and pressure
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    New Holland T4.75 power star hydraulic problem

    I have replaced all the hoses also the new holland dealer said the filter base was probably cracker so I replaced it . I removed the loader and baled hay and you it still does it when I open the door on the bailer. I don’t have any bubbles in the oil that I can see when I check the oil . I put a...
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    New Holland T4.75 power star hydraulic problem

    It is a gear type pump does not have a charge pump .The pump is mounted on the side of the motor the discharge line goes to the loader mid mount valve and a separate lines feeds the remotes and 3 point hitch .
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    New Holland T4.75 power star hydraulic problem

    The loader jerks really Bad when the oil is hot . I have replaced the pump, loader control valve, relief valve, change filter and oil ,replaced all suction hoses on suction side of pump ,changed the quick couplings and switched the hoses on the lift and replaced the cylinder packing . Installed...

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