Alternators: brushed or brushless

Discussion in 'Trucks [ Eighteen Wheelers ]' started by mhyn, Sep 18, 2019.

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  1. Sep 18, 2019 #11
    jamespmack

    jamespmack Road Train Member

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    Yes, running one now probable 200k on it. Used to manage a towing, repair shop, with road service . Nothing special that I see so far. Good product, but nothing special.

    Key to Alternator life is clean quality batteries and cables.
     
    jamespmack, Sep 18, 2019
    jamespmack, Sep 18, 2019
    #11
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  3. Sep 18, 2019 #12
    mhyn

    mhyn Road Train Member

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    if it will go 500k miles then worth to have it. My brushless 36si stopped at 1 mil miles on last truck.
     
    mhyn, Sep 18, 2019
    mhyn, Sep 18, 2019
    #12
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  4. Sep 18, 2019 #13
    mhyn

    mhyn Road Train Member

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    brushes wearing also..
     
    mhyn, Sep 18, 2019
    mhyn, Sep 18, 2019
    #13
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  5. Sep 18, 2019 #14
    jamespmack

    jamespmack Road Train Member

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    Yes it lowers the load, there for alt last longer.
     
    jamespmack, Sep 18, 2019
    jamespmack, Sep 18, 2019
    #14
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  7. Sep 18, 2019 #15
    spsauerland

    spsauerland Road Train Member

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    Switched to Bosch six years back and no regrets. OEM ones on Paccar are Bosch. Never had any better luck with the brushless Delco vs standard.
     
    spsauerland, Sep 18, 2019
    spsauerland, Sep 18, 2019
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  8. Sep 18, 2019 #16
    mhyn

    mhyn Road Train Member

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    I saw Bosch brushed alternators on Paccars. Delco's quality is a lottery now.
     
    Last edited: Sep 18, 2019
    mhyn, Sep 18, 2019
    mhyn, Sep 18, 2019
    #16
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  9. Sep 18, 2019 #17
    spsauerland

    spsauerland Road Train Member

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    Only starter I would ever put in for years was a Delco 42MT 10461053. Last couple have all failed well within warranty. Have switched completely to Mitsubishi Diamond Gard starters. Way better starter. Tried Delco 39MT and didn't have good luck with them. Pretty sure Borg Warner recently bought out Delco Remy.
     
    spsauerland, Sep 18, 2019
    spsauerland, Sep 18, 2019
    #17
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  10. Sep 18, 2019 #18
    mhyn

    mhyn Road Train Member

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    I have changed two 39mt on my Cascadia within 2.5 years . Now freightliner has Mitsubishi starters for DD15 available at dealers.
     
    mhyn, Sep 18, 2019
    mhyn, Sep 18, 2019
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  11. Sep 18, 2019 #19
    swaan

    swaan Road Train Member

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    I agree it seems delco stuff is hit or miss. I just put a denso on one my cats. See how that does. Also the Mitsubishi seem really good also
     
    swaan, Sep 18, 2019
    swaan, Sep 18, 2019
    #19
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  12. Sep 18, 2019 #20
    spsauerland

    spsauerland Road Train Member

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    Denso (Nippendenso for older folks) are good starters too. Hard to beat Japanese electrical components.
     
    spsauerland, Sep 18, 2019
    spsauerland, Sep 18, 2019
    #20
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