2010 JD 4520 Leak
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Thread: 2010 JD 4520 Leak

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    2010 JD 4520 Leak

    Just noticed when pulling out yesterday there was a leak under the tractor. Looks like it coming out of this shaft.
    This is right under the engine looks like a shaft going back the rear with a plastic cover over shaft.

    Is this a easy fix maybe replacing the gasket? Pictures are showing up side ways.

    Click image for larger version.

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    ddinham's Avatar
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    I would think that would be your 4WD shaft.

    Dave
    OxPath likes this.
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    If i remove the two bolts there, and slide the plastic cover back, will I see a sealed bearing there around the shaft? Or will all the oil in there pour out?

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    arlen's Avatar
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    That's just a cover. I think the shaft just passes through that opening though. Your safe taking that cover off and having a look. Look at the other side of that plate too.
    OxPath likes this.
    4720 66hp Open Station, Power Beyond, 3rd, 4th and 5th Rear SCV, iMatch, 400cx with SSQA, 3rd Loader Function, MX6, BoDozer Grapple
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    arlen's Avatar
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    I just looked under my 4720. Mine is oily too! Not enough to form a puddle yet. I think it is engine oil in my case, so you may want to check out the pan gasket.
    4720 66hp Open Station, Power Beyond, 3rd, 4th and 5th Rear SCV, iMatch, 400cx with SSQA, 3rd Loader Function, MX6, BoDozer Grapple
    JD 320D Skid Loader
    Gator 865r...Fully Pimped Out

    X748SE 24hp, 647 Tiller, 54" front blade, 47 Snow Blower, 62C deck, JD disk

    JD 997 Zero Turn

    Farmall B

    2 miniature donkeys, 1/8 hp (each)

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