Starter- Delco 42, 39, or anything better?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by jayfarmlaw, Jan 2, 2022.

  1. jayfarmlaw

    jayfarmlaw Bobtail Member

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    Dec 12, 2020
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    99 Volvo Vnl single axle, Cummins M11, Super 10

    farm truck used for hauling hay and equipment. Went to start it today and didn’t have it plugged in. Starter cranked but then released the ring gear but kept spinning. Luckily I had a metric adjustable wrench in the cab and disconnected the positive cable before anything else happened. Plugged the truck in hoping some heat might let it release, but no luck. I’ll pick up a solenoid tomorrow and try to go get a load of hay, but starter seemed slower the past few weeks so it’s probably starter time too.

    I’ve replaced tractor starters with gear reduction, and haven’t seen that much difference. Any point in running a 39 or is there a better starter out there? Best place to buy them?

    thanks in advance for your response. Happy New Year!

    jay
     
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  3. DUNE-T

    DUNE-T Road Train Member

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    Volvo dealers have Mitsubishi starters. My local parts sales guys highly recommend them, so I just installed one on my 2001 Vnl.
     
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  4. MM71

    MM71 Heavy Load Member

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    Mitsubishi gear reduction starters are great .... easy on batteries, quick to spin the motor over.
     
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  5. lilillill

    lilillill Sarcasm... it's not just for breakfast

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    Not to mention they are about 12,000 lbs lighter.
     
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  6. JoeyJunk

    JoeyJunk Road Train Member

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    This is good information as I am getting a new engine in a few weeks. I wasn’t aware of Mitsubishi starters. I assume their alternators are good too?
     
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  7. jayfarmlaw

    jayfarmlaw Bobtail Member

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    Dec 12, 2020
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    Looks like it was the solenoid on the fire wall. I cleaned up the contacts, sprayed everything down with carb cleaner, and a few love taps on both solenoids with a Tonya Harding Special and it Fired up. I Still think the starter is on its way out, but at least I’m rolling again for now.

    Thanks again for the responses.

    Jay
     
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