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Thread: Delco generator for 22/R2 Old Magnet

  1. #1
    Join Date
    Apr 2007
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    Pioneer Valley, Western MA
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    304

    Default Delco generator for 22/R2 Old Magnet

    Would anyone have the correct internal wiring for Delco single wire, 3rd brush generator 2B5602 ?

    Have searched the internet, found several different connections, would like to be spot on and not fry the unit.

    Thanks
    Herb
    USA M2 5E3562SP

  2. #2
    Join Date
    Dec 2006
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    victoria australia
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    Default American Bosch ARKF Series Third Brush Generator Internal Wiring Diagram

    Hi,
    sorry photo came out dark--scanner on the fritz--hope to sort it tomorrow--hope this helps as it is from my R4 SRB.
    Cheers,
    Eddie B.

    EDIT
    As OM points out below, this diagram is for Am-Bosch ARKF Series Generators.
    I will leave it here for others future Search Reference.
    Attached Images Attached Images
    Last edited by edb; 06-04-2020 at 05:40 PM. Reason: American Bosch Gen Circuit

  3. #3
    Join Date
    Nov 2006
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    Corralitos, Ca.
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    15,386

    Default

    Do you have the Delco part number for the generator? That diagram is for the ARKF Bosch unit.

  4. #4
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    Pioneer Valley, Western MA
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    Default

    numbers are 939E 1341, 1858247
    Herb
    USA M2 5E3562SP

  5. #5
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    Corralitos, Ca.
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  6. #6
    Join Date
    Mar 2018
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    Default

    Is a generator for an R2 the same as a 22? I dont have an R2 parts manual but I have been told that the R2 is almost the same as a D2, not a 22. The 22 takes a gear driven generator and a D2 takes a belt driven generator (at least the J series does. I dont know about the U series) Maybe I am missing something? Grant.

  7. #7
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    Default

    The 2F 22 and 5E R2 are the same. The 1J R2 is the same as D2.
    Herb
    USA M2 5E3562SP

  8. #8
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    Nov 2006
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    Pittsford NY
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    Default

    Herb, is it a 1J R2? Reason I ask is my cousin's Twenty-Two is 1J3796W
    Cheers,
    Neil.

  9. #9
    Join Date
    Apr 2007
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    Pioneer Valley, Western MA
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    Default

    The split may be different, that was just off the top of my head. Didn't open the book to look.

    Early style 22 thru 1J5157

    Thanks for keeping me straight!
    Herb
    USA M2 5E3562SP

  10. #10
    Join Date
    Dec 2019
    Location
    Pouce Coupe, BC Canada
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    198

    Default Clarification...

    -is it a common fix, these old dozers that originally had generators, to update them with 12 Volt Delco's...? nobody here wants anything to do with a generator...unless it has to be 110% original etc..

    -it's really common here with old tractors, on the Prairies...just fab the mounting, and very minimal wiring, simple, trouble-free solution...
    Caterpillar D6C 99j

    Tax me, I'm Canadian

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