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71 tranny question

Discussion in 'Jeepster Commando and Commando Tech' started by Walt Couch, Aug 14, 2009.

  1. Aug 14, 2009
    Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    What manual trans/transfer did they use in the 71 jeepster? What I saw was not the T90. The transfer looked like a D-20 and had a PTO on it. The transfer has dual shift. I am not familiar with the jeepster and was wondering if the trans would couple to the 225 O.F. and to the D-18. Any help would be good. Tnx. Walt
     
  2. Aug 14, 2009
    lamar

    lamar Member

    greenville sc
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    They used the T-14 manual or turbo 400 auto trans with the 20 transfer case to the best of my knowledge. Is the PTO on the bottom of the transfer case, taking the place of the pan?
     
  3. Aug 14, 2009
    Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    The PTO comes out the right rear and crosses to the left for connection of front and rear shaft.
     
  4. Aug 14, 2009
    Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    Is the T-14 preferred over the T-90? I know the 14 is all three syncro but is it stronger? Tnx Walt
     
  5. Aug 14, 2009
    Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    Was wrong about the transfer, it is a single shift. Also I cant tell if the PTO shares the transfer pan or not. This one would have to be chain operated, correct?
     
  6. Aug 14, 2009
    Pack Rat

    Pack Rat Old Timer

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    They also used a T86, which were a non synchro 1st. Every PTO I've seen on D20's, which is the only TC used in the Jeepster, were a gear drive bolted to the TC in place of the pan.
     
  7. Aug 14, 2009
    Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    Thanks guys, this helps a lot. This PTO bolts to the rear where the output is on the D-18. Don't know anything else about it and the guy that has it knows less than I do. It will be a four hundred mile round trip but just might be worth it. It is for cheap. thanks agn for your help. Walt
     
  8. Aug 14, 2009
    Pack Rat

    Pack Rat Old Timer

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    That PTO would be interesting to see. Any chance the guy can get you a picture if you decide not to buy it?
     
  9. Aug 15, 2009
    Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    If I can get to it I will take some pic's and post.
     
  10. Aug 19, 2009
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

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    T-86 was gone by 1971. Definitely a T-14, or a TH400 automatic. Possible there were a few with the close-ratio T-18. All have a Dana 20 with a U-shifter.
     
  11. Aug 19, 2009
    Pack Rat

    Pack Rat Old Timer

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    Not that there are/were many around but the 134 used the T86. T18 were never available in Jeepster.
     
  12. Aug 19, 2009
    jpflat2a

    jpflat2a what's that noise?

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    just clarifying
    only in 72-73 with the S6
     
  13. Aug 19, 2009
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

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    I would expect the F134 Jeepsters got the T-90, like the CJs did.
     
  14. Aug 19, 2009
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

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    Yes, I've seen a 72-73 with the T-18. Jim, are you sure the CR T-18 never made it into the Jeepster in '71? I have no reason to believe it did, except that it seems possible, given the existence of '71 CR T-18 CJs.
     
  15. Aug 19, 2009
    Pack Rat

    Pack Rat Old Timer

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    Don't know why they never put a 4 speed in a Jeepster but there's none listed in any parts manuals and there's nothing in the shop manual which, if it were used, would have had the repair procedures etc. Also no mention of it in any dealer literature. From what I've read, and I can't remember where it was I read it, the T18 was only used behind the 232 but I haven't been able to verify that. Never heard of or seen one behind a 304. I've kind of always thought that once AMC took over Jeep they really didn't much care about the Jeepster or the Commando. I could be wrong about that, just my humble opinion :).
     
  16. Aug 19, 2009
    jpflat2a

    jpflat2a what's that noise?

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    I have never seen nor can verify for 71 and prior.
    all the parts manuals show for 72-73 models though, six cylinder only.
    okay Commando, not Jeepster I suppose.

    I've never seen a T86 behind the F4, but it is listed that way
    kinda quirky
     
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