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  1. #1
    Platinum Member
    Join Date
    Aug 2003
    Posts
    811
    Location
    Waterman, DeKalb County, Illinois
    Tractor
    John Deere 855 MFWD; Oliver 1850 Gas

    Default Axle bearing seal leaking

    Well, I guess this is a very good argument for keeping your equipment clean. After washing muck off my tractor today and then parking it, I walked past a few hours later and saw this. Checked the gear oil on the MFWD, and it is nearly dry. [img]/forums/images/graemlins/frown.gif[/img] [img]/forums/images/graemlins/mad.gif[/img] I am hoping that it is only the seal blown, and nothing more severe.

    Dave

    P.S. Yes, I know the oil is very dirty looking. Spring maintenance hasn't happened yet. [img]/forums/images/graemlins/smirk.gif[/img]
    Attached Images Attached Images

  2. #2
    Platinum Member
    Join Date
    Jan 2004
    Posts
    992
    Location
    Salem, CT
    Tractor
    Deere 4310

    Default Re: Axle bearing seal leaking

    Wow - I'm glad you saw it now, and not when you started hearing that aweful grinding noise. Good lesson learned for washing!

  3. #3

    Join Date
    Aug 2002
    Posts
    7,386
    Location
    North East CT
    Tractor
    2003 Kubota BX-22

    Default Re: Axle bearing seal leaking

    My experience has always told me that if there is enough to still leak out, that there is usually enough to have kept it lubed enough to not do much damage unless it was under a load. Considering that a tractor doesn't go very fast, I don't think that is a problem. Once you pull the wheel, you will be able to get a better look at it. Considering the amount of oil that is leaking out, my bet is a damaged seal, such as something having torn away at it. Just hope that you didn't get any grit into the spindle to tear up the polished surface. If so, consider one of the stainless steel sleeves that you can press on for a new seal mating surface. They have saved me more than once.

  4. #4

    Join Date
    Dec 2003
    Posts
    579
    Location
    California , Idaho and a little island in Panama
    Tractor
    Kioti DK45TLB

    Default Re: Axle bearing seal leaking

    Many ,Many years ago ,I had a good friend whose family owned a very large Cat Dealership in Sacramento ,Ca.
    I was fortunate enough to go on a tour of the place and was amazed at how much information they supplied to the local State and County Transportation Depts. I "set in" on a "operator preventive maintenace meeting" and will never forget what the speaker said . "If oil can get out then dirt can get in " .Most people just assume that they lose a little oil and never think about the dirt that might be getting in to the gears . I still go by that rule and oil leakage is first priority for repair in my book .
    Big Al

  5. #5
    Epic Contributor RoyJackson's Avatar
    Join Date
    Nov 2001
    Posts
    20,464
    Location
    Bethel, Vermont
    Tractor
    John Deere 4520 MFWD, Deere 855D UTV, Z920A Zero Turn Mower and assorted implements

    Default Re: Axle bearing seal leaking

    How long have you had this tractor, Dave?

  6. #6
    Platinum Member
    Join Date
    Aug 2003
    Posts
    811
    Location
    Waterman, DeKalb County, Illinois
    Tractor
    John Deere 855 MFWD; Oliver 1850 Gas

    Default Re: Axle bearing seal leaking

    </font><font color="blue" class="small">( How long have you had this tractor, Dave? )</font>

    Just a hair under a year.

  7. #7

    Join Date
    May 2001
    Posts
    140
    Location
    Houston, TX
    Tractor
    JD 4400

    Default Re: Axle bearing seal leaking

    I have had similar problems with my 4400. It seems to occur after getting it stuck up to the axles in this south Texas sandy soil. Replacing the seal (at least on the 4400) is easy if you have a shop press and not very expensive ($7-8.00). I am now paying more attention to keeping the axle joints clean.

  8. #8

    Join Date
    Aug 2002
    Posts
    7,386
    Location
    North East CT
    Tractor
    2003 Kubota BX-22

    Default Re: Axle bearing seal leaking

    That is true to a extent.... dirt gets in once the oil stops getting out usually. If you are talking about a gaping hole, then it is a two way street. If it is a wheel bearing seal failure, the likelihood that dirt has gotten in while the oil was coming out, is unlikely. When he takes it apart, it will be contaminated with dirt, so it will need to be cleaned. You also have to consider how long it has been open. There are too many variables to make specific conclusions, other than it needs to be fixed no matter what.

  9. #9
    Gold Member
    Join Date
    Sep 2002
    Posts
    268
    Location
    Eastern Ontario
    Tractor
    JD 855, 322, AMT626 plus whatever my son dragged home this month

    Default Re: Axle bearing seal leaking

    I'd like to see where the oil is coming from. At the wheel shaft, or the pivots.
    My 855 leaks a bit both sides where the front wheels pivot, but nothing like what you have. I check the level frequently and have to top it up about every 6 months.
    My dealer said it was typical at the age of my tractor and not to worry about it unless it got worse. However, if it gets like yours, I'll be fixing it PDQ.

    I don't know about others, but I'm reluctant to use the pressure washer on anything other than plain painted metal. I figure 1500 psi is just as likely to blast dirt and water into places it doesn't belong as out of them. Makes me wonder how much damage is self-inflicted? What do others think?

  10. #10
    Platinum Member
    Join Date
    Aug 2003
    Posts
    811
    Location
    Waterman, DeKalb County, Illinois
    Tractor
    John Deere 855 MFWD; Oliver 1850 Gas

    Default Re: Axle bearing seal leaking

    I still haven't had time to take the wheel off and dig into the problem. [img]/forums/images/graemlins/mad.gif[/img] I have been traveling for my "real job" for the last two weeks. I will make sure I take pictures and describe the problem as accurately as I can for you.

    Dave

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