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Thread: 901/02 tranny serial# and designation stamping

  1. #1
    Senior Member moito's Avatar
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    901/02 tranny serial# and designation stamping

    inspected a 67S recently and noticed that the transmission designation# was stamped in different font than the serial#
    on to the 67S tranny that i have in house both are stamped in the same font.

    i`m curious what your 67S tranny stamping looks like...would be cool to see some pix
    thanks much
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  2. #2
    Thread Killer dummkopf's Avatar
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    Wouldn't the SN be stamped at a different station to stay with the car? Seems plausible.

    The numbers on my 915 and engine aren't perfect.

    Oh, I received a 30 ban from Facebook for saying "tranny". LOL!!!
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  3. #3
    Senior Member moito's Avatar
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    Quote Originally Posted by dummkopf View Post
    Wouldn't the SN be stamped at a different station to stay with the car? Seems plausible.

    The numbers on my 915 and engine aren't perfect.

    Oh, I received a 30 ban from Facebook for saying "tranny". LOL!!!
    the serial# of the Tranny (glad i`m not on facebook) not the body

  4. #4
    Senior Member moito's Avatar
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    Quote Originally Posted by dummkopf View Post

    The numbers on my 915 and engine aren't perfect.
    besides the different font... the stamping on the car in question look a bit to perfect...(top left and top right on the foto)

    thats why i want to see the stamping of other 67S cars. but it`s more about if other cars also have two sorts of font on the bell.

  5. #5
    Senior Member HughH's Avatar
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    This is not a 901/02 box but a very early airport gear set gearbox (901/52) from about mid 1967. I think that the fonts should be the same as a stock 901/02 one though.
    The photos were posted on the bird in about 2013 and I kept them for reference on the "sondergetribes" so (unfortunately) it is not my gearbox
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    Last edited by HughH; 06-13-2021 at 05:37 PM.
    Hugh Hodges
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  6. #6
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    The font for the 901 should be barrel shaped, but the 104xxx does not look too bad. Also found one example that was 902/02, so obviously a typo.
    Also, I note the font of the second half of the type # tends to be different than the first half.
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  7. #7
    Member #226 R Gruppe Life Member #147
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    Clearly, different ways to stamp type and serial numbers. My experience with 901 type numbers is (901/) is a gang stamp with (xx) added later, usually with a different font.

  8. #8
    Fonts aside, the thing that stands out to me in the example given is that the rib on which the s/n is stamped has been sanded smooth. They always have those striations.
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  9. #9
    Senior Member moito's Avatar
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    Quote Originally Posted by tfiv View Post
    Fonts aside, the thing that stands out to me in the example given is that the rib on which the s/n is stamped has been sanded smooth. They always have those striations.
    yes ,the hole thing looks/smells a bit fishy to me....

    big thanks to all who contributed via mail and post.
    love it
    franz

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    Is this wisdom equally true for replacement transmission cases?

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