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  1. B

    D4D 78a series

    looking for Part # 5M4135 oil filter base
  2. B

    Need a little info

    I joined a couple yrs ago, have not posted but a few times, working on the D4D 78A1 series not sure how to read serial Number cat parts look up tells me no such number exists, number plates all read 78A6160, any way to figure out the yr of manufacture. trying to get some small gaskets and seals...
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    Thanks to all

    Hi all From Northern lower Michigan here, new to the forum, and ownership of a few dozers, have a D4D 78A1? in running and operating shape, a D4 u? and 3 D2's 2 are in the 5u era the other have not delved into it in shamples, not a green horn to equipment but green to older machines as these...
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