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  1. #1
    Silver Member
    Join Date
    Aug 2005
    Posts
    188
    Location
    Eastern KS
    Tractor
    JD 4100 HST CUT Yanmar 3TNE74

    Default 4100 - is battery serviceable? add water?

    My 2000 jd 4100's battery seems to be near death. I've charged it a couple times (10A charge and 2A charge), but it never holds for more than a few days. Can I pry off the caps and add distilled water? Or are these suppose to be maintenance free?

  2. #2
    Gold Member
    Join Date
    Aug 2001
    Posts
    286
    Location
    southern NH
    Tractor
    JD 4100 HST, Craftsman YS4500

    Default Re: 4100 - is battery serviceable? add water?

    Careful of older JD batteries (they leak !!!). Most 4100 owners have replaced their batteries with Optima(s). There are boatloads of threads on this topic if you do a search.

  3. #3
    Elite Member
    Join Date
    Jul 2003
    Posts
    3,373
    Location
    Goffs Corner, KY
    Tractor
    IH 2444

    Default Re: 4100 - is battery serviceable? add water?

    Battery sounds sulphated and shot to me. 5 years is pretty much the life of most batteries if you are lucky.
    Or are you sure your charging system is working ok ? What is the voltage accross the battery with the engine running ?

    Ben


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