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th400 4wd vs th400 2wd

Discussion in 'The Garage' started by Rolled, Jun 23, 2003.

  1. Rolled

    Rolled 1/2 ton status

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    I am going to look at a th400 4wd tonight and want to get some help identifying it.

    I have read the case is thicker. If so, can I take a measurement anywhere, like the bell housing, to determine if it a 4wd or 2wd?

    I also read some stuff about a K cast/stamped in it somewhere. Where is this K at?
     
  2. 4x4k20

    4x4k20 1/2 ton status

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    the best way to tell is look where the inspection cover bolts up to the tran. if it has 6 bolts its a 4x4 case. the k is stamped on the front top part some 400s some also have hd on them
     
  3. nvrenuf

    nvrenuf NONE shall pass! Premium Member

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    It's the 79 & newer cases (2wd or 4wd) that are the thicker cases, not all but most. Also, not all thick cases will have an "HD" or "K" cast on them. The ones that do have the letters on them will have them on top of bellhousing area and the letters will be 2"~3" tall.

    An example of the thick case can be seen in my Webshots album.
     
  4. Rolled

    Rolled 1/2 ton status

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    Thanks guys /forums/images/graemlins/smile.gif
     

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