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  1. #1
    kpk
    kpk is offline
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    Oct 2003
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    Default battery terminal corrosion

    I have a 2001 TC25D and have noticed the battery terminals keep corroding. I wire brushed them twice and the last time I sprayed them with battery terminal cleaner and protector. It lasted for awhile, but now I notice the same thing is happening again. One terminal has white corrosion and the other is pink. The terminals and cable ends are really starting to get eaten away. Does anyone else have this problem? If so how did you fix it?

  2. #2
    Platinum Member
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    Oct 2002
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    676
    Location
    Pomfret,Connecticut
    Tractor
    yanmar 336d w ldr,C,Cub,many attachments

    Default Re: battery terminal corrosion

    Hey,wait a minute,this sounds familiar,hmmmmmmm [img]/forums/images/graemlins/grin.gif[/img] [img]/forums/images/graemlins/grin.gif[/img]

  3. #3
    Super Star Member
    Join Date
    Apr 2001
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    10,982
    Tractor
    NH TC25D

    Default Re: battery terminal corrosion

    Check this thread. Been there, done that. [img]/forums/images/graemlins/frown.gif[/img]

  4. #4
    Veteran Member have_blue's Avatar
    Join Date
    Oct 2003
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    1,730
    Location
    Eunice, Louisiana
    Tractor
    L4400

    Default Re: battery terminal corrosion

    </font><font color="blue" class="small">( I have a 2001 TC25D and have noticed the battery terminals keep corroding. )</font>

    It's a "rough service" battery I assume. They're gassy and make more acid fumes than standard batteries.

    I made my dealer buy me a SLA battery (sealed lead acid)and hood latch when my TC29 was brand new. It made a mess while still in the sales yard. No leaks, spills, or corrosion for the 2 years I have owned it.

    SLA batteries are not as good as standard or rough service batteries, but small tractors are not hard to start. SLA batteries are cheap, the tractor is not. I would rather have a battery that only lasts 2-3 years that protects the tractor.

  5. #5
    Epic Contributor Soundguy's Avatar
    Join Date
    Mar 2002
    Posts
    46,366
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: battery terminal corrosion

    I've tried the spray protectors.. but have actually had better results with two different 'jurry-rigs'. One was to clean both connections well.. and then hit it real good with a cheap glossy spray paint.. like red or yellow. My ford aerostar and lincoln car did the corosion thing once a month.. now there are no problems. On my traccors, I apply a liberal smear of grease.. and rub it around good... de-waters the area too.

    Have seen no signs of corrosion on the greased ones.. very little in cracks inthe paint on the painted ones.

    Here is something to think about... and this is why I like the grease method the best...

    Remember back to high school chemistry.. when you studdied potasium and lithium.. those are the metals that react violently with water... i.e. 'burn'.. etc. Remember that they kept the metal samples in a glass jar completely submerged in... kerosene.. ( good ole' petroleum ).

    Soundguy

  6. #6
    Super Star Member
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    Apr 2001
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    10,982
    Tractor
    NH TC25D

    Default Re: battery terminal corrosion

    kpk, FWIW, I tried cleaning the terminals and coating them. I tried grease/petroleum jelly then a commerical spray. Nothing worked until I took the steps outlined in the thread link I posted earlier.

    Note: when I had this problem, Optima did not make a battery that would fit in the Class II tractor. Now they do. When my current battery needs replacing, I will get an Optima.

    I think have blue has described the problem well and why installing a SLA resolves the problem. Whatever you do, don't wait to deal with it. [img]/forums/images/graemlins/shocked.gif[/img]

  7. #7

    Join Date
    Mar 2001
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    1,211
    Location
    Northern Virginia
    Tractor
    2001 New Holland TC40D w/16LA loader

    Default Re: battery terminal corrosion

    I always thought the battery problems were with the class III Boomers, but from this post and a couple new ones in the John deere owning section, I see it crosses model and brand boundaries.
    Mark

  8. #8
    kpk
    kpk is offline
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    Default Re: battery terminal corrosion

    MikePa,
    Do you know the correct Optima battery model number to fit my TC25D? After reading through these replies and the ones you suggested in your post it seems there are two problems. The size and the reverse terminal issue.

  9. #9
    Platinum Member
    Join Date
    Apr 2002
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    795
    Location
    New England...Central MA
    Tractor
    TC35D/16LA

    Default Re: battery terminal corrosion

    Try this site Not the real Optima site. They have some good technical info including dimensions. Just scroll down the page.

    FWIW I put a 34R in my TC35D.

  10. #10
    Super Star Member
    Join Date
    Apr 2001
    Posts
    10,982
    Tractor
    NH TC25D

    Default Re: battery terminal corrosion

    <font color="blue">Do you know the correct Optima battery model number to fit my TC25D?</font>
    Model 51

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