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Identify Dana 25 Vs 27?

Discussion in 'Early CJ-5 and CJ-6 Tech' started by Jim Eyster, Apr 5, 2017.

  1. Apr 18, 2017
    Jim Eyster

    Jim Eyster New Member

    Central Ohio
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    Jan 27, 2017
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    I can't find a number on tha dang thing, but this is a 25, right?
     

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  2. Apr 18, 2017
    fesser

    fesser Napa, CA Sponsor

    Napa, CA
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    I'd say yes based on the cover.
     
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  3. Apr 18, 2017
    wheelie

    wheelie beeg dummy Sponsor

    York, PA
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    Going by the cover alone, yes it's a 25. The number, 25 or 27, is cast somewhere on the top half of the carrier (pumpkin). Should be evident with some scraping of the crud and then a wire brush.
     
  4. Apr 18, 2017
    oldtime

    oldtime oldtime

    St. Charles,...
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    Yeah besides the 27 would have a vent on top of the carrier casting.
    Also the 27 would not come from the factory with brake tubes attached to it.
     
  5. Apr 18, 2017
    Jim Eyster

    Jim Eyster New Member

    Central Ohio
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    I scraped the top half. The left side had a series of numbers, but not a 25 or 27. The right side says "Front Axle"...go figure!
     
  6. Apr 18, 2017
    jeepstar

    jeepstar Sponsor Sponsor

    Sheboygan
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    Its a 25
     
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  7. Apr 19, 2017
    wheelie

    wheelie beeg dummy Sponsor

    York, PA
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    It is not in the area/webbing to the top left or right of the cover but on the very top....kind of facing the engine oil pan. In any case, the consensus is that it's a 25 so, your question is answered. (y)
     
  8. Apr 19, 2017
    Snouts out

    Snouts out Member

    Covedale OH
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    Jim,what year CJ ,is this axle on?
     
  9. Apr 19, 2017
    Jim Eyster

    Jim Eyster New Member

    Central Ohio
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    Thanks for the location. I'll squeeze my head up in there and look, but your right; consensus 25. Thanks for the expertise!
     
  10. Apr 19, 2017
    Jim Eyster

    Jim Eyster New Member

    Central Ohio
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    Now that's a great question! It's titled as a '67, and the SN reflects a '68 V6, from Canada. On the other hand, it has the F134, 6V system, Dana 25, 5.38...So, aside from the tub and data plate, the jeep appears to be much earlier than the title suggests.
     
  11. Apr 22, 2017
    nickmil

    nickmil In mothballs. Sponsor

    Happy Valley, OR
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    Sometimes the the model number is cast on the bottom right support web when looking at the cover. Most 27's have a 27 cast onto the top of the carrier as mentioned and as also mentioned the 25 has the vent in the cover and the 27 has the vent also in the top of the carrier.
     
  12. Jan 11, 2019
    J.P. Thal-Larsen

    J.P. Thal-Larsen New Member

    Potomac, MD
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    Jun 25, 2018
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    Here's the model stamp location (front axle) on my '62
    Dana 25 stamp (1024x576).jpg
     

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