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Ih T18

Discussion in 'Early CJ5 and CJ6 Tech' started by wasillashack, Jul 25, 2023.

  1. Jul 25, 2023
    wasillashack

    wasillashack Member

    Wasilla, Alaska
    Joined:
    Mar 17, 2008
    Messages:
    269
    Anyone here ever used a T18 out of an International in a Jeep? I bought T18/D18 yesterday. I am wondering if there is a Jeep application for this transmission. I picked this up for the Dana 18 and really have no use for the transmission. Curious if someone has used one in a Jeep and what did they have to do to make it work. I have an SM420 that was given to me that I will adapt to the Dana 18.
     
  2. Jul 25, 2023
    Twin2

    Twin2 not him 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Virginia Beach, VA
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    Apr 28, 2011
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    5,421
    cant say on transmission
    but nick told me . the IH adapter on rear clocked the transfer case a little more to right
    if your doing a twin stick change over
     
  3. Jul 25, 2023
    wheelie

    wheelie beeg dummy 2024 Sponsor 2023 Sponsor

    York, PA
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    Mar 6, 2004
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    I used the just the IH output shaft from their T18.....swapped it into a early 80's Ford T18.
     
  4. Jul 25, 2023
    wasillashack

    wasillashack Member

    Wasilla, Alaska
    Joined:
    Mar 17, 2008
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    269
    Twin 2, The d18 is already a twin stick, 1-1/8" intermediate shaft, I was looking for an 1-1/4" intermediate t case, but this deal came up and I didn't want to pass it up.
    Wheelie, why was it necessary to swap the output shaft?
     
  5. Jul 25, 2023
    wheelie

    wheelie beeg dummy 2024 Sponsor 2023 Sponsor

    York, PA
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    The stock Ford output shaft was wrong for the Dana 18 6 spline bull gear and was way too long. The IH output was a match.

    Trying to remember why I couldn't just use the Scout T18 but it escapes me. Has to be something with mating it up to the bell housing/engine.
     
  6. Jul 26, 2023
    garage gnome

    garage gnome ECJ5 welder

    Western MA
    Joined:
    Jun 19, 2009
    Messages:
    3,093
    I think the scout case makes it hard to bolt to the v6 bell housing.
     
  7. Jul 26, 2023
    Wmi68CJ5

    Wmi68CJ5 Let the Sun Shine!

    Twin Lake MI
    Joined:
    Aug 10, 2006
    Messages:
    740
    Didn't TimGR do a huge write up about T-18s over in the intermediate section?
     
  8. Jul 27, 2023
    wasillashack

    wasillashack Member

    Wasilla, Alaska
    Joined:
    Mar 17, 2008
    Messages:
    269
    Wmi68cj5, thank you, I'll take a look at at write up.
     
  9. Jul 29, 2023
    jeepdaddy2000

    jeepdaddy2000 Active Member

    Eagle Point oregon
    Joined:
    Jun 24, 2004
    Messages:
    1,177
    You can use the Scout output shaft and adapter on a Ford T18.
    This is the swap I did.
     
  10. Jul 30, 2023
    Tralehead

    Tralehead Member

    Silverado, CA
    Joined:
    Nov 7, 2022
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    201
    Anybody want a Scout D300?
     
  11. Jul 30, 2023
    amboynut

    amboynut Member

    Chelatchie, WA
    Joined:
    Aug 25, 2021
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    317
    You bet! PM me.
     
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