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Thread: Deciphering M939-series Serial Numbers

  1. #11
    4 Star General gottaluvit's Avatar
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    So the thread is closed. Is Carnac still doing this? Mine also has a bunch of letters in the "date of delivery" line.
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    I'm new to the forum
    Good morning.
    I am trying to find differential pound ratings for my 1986 M923 A1.
    The dash plate says I can have a 10 thousand pound payload.
    I have heard that the diffs are 24 thousand each.
    Any help is appreciated.

  3. #13
    I'm the dude, man! Steel Soldiers Vendor simp5782's Avatar
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    Quote Originally Posted by M923Al View Post
    I'm new to the forum
    Good morning.
    I am trying to find differential pound ratings for my 1986 M923 A1.
    The dash plate says I can have a 10 thousand pound payload.
    I have heard that the diffs are 24 thousand each.
    Any help is appreciated.
    rear tandem setup is for 44,000 lbs. This applies for a tractor setup. You have a 10,000lb payload for off-road and a 20,000lb payload on road for a cargo setup.
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    Thank You

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    Got a M928A1 I'm trying to figure out too, that ones missing it's ID plate but vin is C528-00320 trying to get the year on this too. All I've got is the closure tag stamped 1/92.

    Thanks!
    Last edited by atrovei; 11-07-2018 at 15:46.

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