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  1. #1
    Veteran Member scesnick's Avatar
    Join Date
    Sep 2004
    Garrett County Md. ( Western Md.)
    Kubota MX5100

    Default Case 580B question

    I have a 580B backhoe that spun bearing last yr. We pulled the motor and fixed it and now the motor runs just fine. But, It seems that it developed a pretty good leak right where the motor and the bell housing connect. It is hydro fluid not engine oil.
    I am certainly no mechanic but isn't that area dry and therefore it doesn't need a gasket? Why would I have hyro fluid leaking from there.

    Also, the backhoe didn't seem to want to move too well, especially in higher gears, like most older hoes. So, I changed the terrible looking hyro oil ( hy-trans untra)with new. It seemed to help a bit. But, I did not change the hydro filter. I can't seem to find the part # for it. Would changing this filter also help the hoe backhoe move easier or would it just be minimal? Thanks.
    Father, GNCC racer, KTM rider, Bow hunter, Farm owner.
    Kubota MX5100
    Dodge 2500 CTD
    Yamaha YZ 250

  2. #2
    Elite Member
    Join Date
    Jan 2009
    Carroll, Ohio
    IH Farmall 656 gas/ IH 240 Utility/ 2, Super C Farmalls/ 2, Farmall A's/ Farmall BN/McCormick-Deering OS-6/McCormick-Deering O-4/ '36 Farmall F-12/ 480 Case hoe. '65 Ford 2000 3 cyl., 4 spd. w/3 spd Aux. Trans

    Default Re: Case 580B question

    Power shuttle models show a gasket in between the engine, and torque tube.

    Probably best to go to Case Construction, and determine which particular model 580B you have.


    Click on "parts and service", in the menu bar, then "search for parts." Type in your model number, then have a look see, and find what you have.
    Attached Thumbnails Attached Thumbnails Case 580B question-001csc-147727-gif  

  3. #3
    Super Member
    Join Date
    Apr 2000
    central New York
    all makes and models

    Default Re: Case 580B question

    Did you replace the front shaft seal?

    We always count on replacing the front transmission seal any time a engine is split for the transmission.

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