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  1. #1
    New Member
    Join Date
    Jan 2010

    Default Kubota L3300

    My 4x4 L3300 is about 15 years old. I'm not exactly sure of the year, but it's got about 700 hrs and front axles are leaking. They drip right near the wheel, and now must be leaking more as I've seen the drips occasionally on the tire. Is there anything I can add to the fluid to swell these seals or do they need replaced. Are these the Kingpins seals which cost about 250 bucks to do each side and I've seen other forums discuss them??? Is it a job that a backyard mechanic can do or will I need special tools/pullers or ??? and wind up wishing that I never tried it myself. My kubota dealer says that most people go through a couple seals to get it right. Maybe they are trying to scare me into dropping it off with them.

    I'd like to slow down the leak as I don't put more than 50 hrs on it a year. Don't want to pay too much and don't really want to do it till it warms up. It's 9F right now in the barn.

    Thanks in advance, Moday

  2. #2
    Veteran Member gerard's Avatar
    Join Date
    Apr 2000
    Syracuse NY
    Kubota L2500DT w/FEL

    Default Re: Kubota L3300

    I have an L2500, 950 hours, 1999 bought new. Sounds like the same leak I had. kubota was aware of a bad design and make a rebuild kit. I had it done when I brought it in for the 800 hour service. Haven't leaked since. Cost $200 total. For me it was not worth trying to do it myself.
    Experience is something you get right after you need it!

    Kubota L2500 DT w/ 5 foot FEL and Pat's easy change system
    5ft box blade, 5ft bushhog, 6ft york rake w/ guage wheels, 7ft backblade w/skid shoes , post hole digger, 5 foot snowblower, dual axel 16 foot landscape trailer, 330 gal water tank, Ford 250 diesel, 6 wheel drive polaris ranger, bale spears for loader

  3. #3
    Gold Member bill in ny's Avatar
    Join Date
    Feb 2008
    south central new york
    kubota m8540hdc12 jd 2305 jd 4005 jd 5055e

    Default Re: Kubota L3300

    if there is udt or sudt in there, you could switch to 80/90 gear oil and see if that helps.

  4. #4
    Super Member dfkrug's Avatar
    Join Date
    Feb 2004
    05 Kioti CK30HST w/ Prairie Dog backhoe

    Default Re: Kubota L3300

    Quote Originally Posted by moday View Post
    My kubota dealer says that most people go through a couple seals to get it right.
    Wow, that's a new one.

    It is about $50-75 for both seals, and my Kubota L2550DT was quite
    easy. My JD955 was even easier. My JD 4300 was easy for the hub
    seal, but tough for the kingpin. One hub seal I did was leaking due
    to fishing line caught in there....the seal was fine. I would say it is
    a rewarding DIY project, but you must have decent snap ring pliers.

    I agree with BILL....use gear oil, not hyd oil.

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