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T90A transmission |
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joewhit 
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Joined: 15 May 2015 Location: Moorcroft, Wy Status: Offline Points: 9 |
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 Topic: T90A transmissionPosted: 21 July 2021 at 3:01pm |
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My T90A transmission has a 16 tooth reverse idler gear.. Most of them that I find are 15 tooth. Both have the same part number. My trany is from a 1947 cj2a. Can someone shed some light on this situation. |
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Joe
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OnlyOneDR
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Joined: 05 July 2016 Location: R Status: Offline Points: 459 |
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Posted: 21 July 2021 at 4:01pm |
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Are you sure it is a T90? The T84 from the MB/GPW has a 16 tooth reverse idler with spur gears looking like a T90 gear (but as you note the T90 only has 15 teeth). If the teeth are cut at an angle then it could be a T86 transmission which also has a 16 tooth idler.
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Searching for time to put it all together...
1950 CJ-3A #37751 In Pieces 1969 Chevy Blazer Resto-Mod Waiting for its day... 2001 Nissan Frontier Crawler Adventure Rig |
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joewhit
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Joined: 15 May 2015 Location: Moorcroft, Wy Status: Offline Points: 9 |
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Posted: 21 July 2021 at 7:01pm |
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It is a T90A1 as stamped on the case. It has the correct input shaft and cluster gesr with the correct number of teeth. It has a 16 tooth reverse idler gear. The part number for a new gear I think is 640417. Most venders show this to be a 15 tooth gear while some a 16 tooth gear. Be nice to know what is exactly correct for this tranny.
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Joe
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OnlyOneDR
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Joined: 05 July 2016 Location: R Status: Offline Points: 459 |
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Posted: 22 July 2021 at 9:59am |
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I think you should call Novak as they are probably the most knowledgeable company out there regarding the T90 and the variations.
https://www.novak-adapt.com/ 435.753.2513 Mon-Fri: 9AM - 5PM Mountain Time
(Eastern Time, 11am to 7 pm) (Pacific Time, 8am to 4pm) |
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Searching for time to put it all together...
1950 CJ-3A #37751 In Pieces 1969 Chevy Blazer Resto-Mod Waiting for its day... 2001 Nissan Frontier Crawler Adventure Rig |
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Rick R
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Joined: 10 May 2015 Location: Black Hills Status: Offline Points: 341 |
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Posted: 27 July 2021 at 5:18pm |
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15 tooth or 16 tooth. And the answer is….
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RWILLYS (Space R)
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OnlyOneDR
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Posted: 27 July 2021 at 11:25pm |
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That is hilarious.
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Searching for time to put it all together...
1950 CJ-3A #37751 In Pieces 1969 Chevy Blazer Resto-Mod Waiting for its day... 2001 Nissan Frontier Crawler Adventure Rig |
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