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3788 alternator output-gctid826517

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    3788 alternator output-gctid826517

    Does anyone know the output of alternators on a 2001- 3788 with 330s?
    1988- 3288, 1994- 3288, now Soul Asset: 2001- 3788 w/330s

    #2
    My guess? 55 amps.
    1989 26' then 1994 32' now 2001 39'

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      #3
      Can anyone confirm that guess?
      1988- 3288, 1994- 3288, now Soul Asset: 2001- 3788 w/330s

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        #4
        I believe the 330's we had in our 4788 had alternators rated at 85 amps, however, they typically only put out about initially 55-60amps and then rapidly lower as voltage came up.
        Mike
        "Allante I" Rayburn 75
        Previous: '97 4788

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          #5
          Jim, my original 370 alternators were rated at 105, per the Cummins Delco Remy label pic (if it will load - it won't). Not sure about any subsequent falloff if any. Hope it assists! If you need the pic with part # rating etc, send me a PM with your email address and I'll flick it to you.

          Cheers
          John H
          Brisbane QLD Aust
          "Harbor-nating"

          2000 - 4788/Cummins 370's

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