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  1. #1
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    Default 3 Cylinder Gas Industrial - Weak Hydraulics

    New member to the community!
    Weak hydraulics on a John Deere 3 cylinder industrial gas tractor.
    Part of the tag shows it as a NT4P maybe?????
    I can't find the correct model # to investigate the problem.
    Tractor is good for bush hogging and has a small loader bucket on it.

    Any help with ID of the model or hydraulics would be helpful...
    Last edited by deerfarmer239; 04-08-2012 at 11:05 PM. Reason: I am told it is a 300 series.

  2. #2
    Administrator Muhammad's Avatar
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    Welcome to TBN.
    Muhammad Chishti
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  3. #3
    Veteran Member moored4's Avatar
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    Default Re: 3 Cylinder Gas Industrial - Weak Hydraulics

    to TBN!

    Happy ing!
    "keep them pots black, shiny, and full of good Food and Fellowship!"
    Moore Cookie

  4. #4
    Elite Member Briana03's Avatar
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    Default Re: 3 Cylinder Gas Industrial - Weak Hydraulics

    WELCOME to TBN

    I moved your thread to the John Deere Ag Tractors Forum.
    Briana
    TBN Support

  5. #5
    Elite Member Tx Jim's Avatar
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    Default Re: 3 Cylinder Gas Industrial - Weak Hydraulics

    More than likely the model # is 1020 or 300 if it's a industrial model. How long since the hyd filter was changed and sump screen cleaned??

  6. #6
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    Default Re: 3 Cylinder Gas Industrial - Weak Hydraulics

    Not sure on the filter or sump. Assisting a friend with the tractor. I will ask him. Did find out that it is a John Deere 301 Industrial. Appears the 3 point is weak and sometimes won't work. When the loader is attached to the front he has to fuss with the controls to make it work. I suspect from what has been said that the sump and screen are dirty and a good place to start.

    Thanks to all who have assisted!

  7. #7
    Elite Member Tx Jim's Avatar
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    Default Re: 3 Cylinder Gas Industrial - Weak Hydraulics

    With 3pt raised,engine running,look inside hyd oil filler hole for spraying oil which indicates leaking o-rings on 3pt control vales which adversely affects the operation of other hyd functions.

  8. #8
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    Default Re: 3 Cylinder Gas Industrial - Weak Hydraulics

    What kind of loader control valves? If the valves are open center , closed center with a blown seal or equipped with a relief valve set below 2300psi. The hydraulics will never work properly.

  9. #9
    New Member
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    Default Re: 3 Cylinder Gas Industrial - Weak Hydraulics

    Thanks to all who have offered advice. I had to stay on a job out of country, so I have not been able to follow up as closely with the forum or the repair as I wanted. Now that I am home I hope to be able to assist my friend with the problem at hand. It will have to be a weekend trip though, as we are some distance apart.
    From what we are told the system in closed center hydraulics.
    Thanks again and I will keep posting as to what we find.

  10. #10
    Elite Member Tx Jim's Avatar
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    Default Re: 3 Cylinder Gas Industrial - Weak Hydraulics

    Quote Originally Posted by deerfarmer239 View Post
    T
    From what we are told the system in closed center hydraulics.
    Yes the hyd's are closed-center. Depending on yr model the power steering could be open center supplied by a hyd pump bolted to RH frt of engine.

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