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Re: MTA parts?

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D Slater

12-28-2012 05:24:59

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Have to disagree, nothing forward of the differential in a SM transmission is the same as a SMTA. Transmission housings are different also. SMTA used the same transmission top cover as some of the SM did, but with different shift forks.

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12-28-2012 08:13:56

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 Re: MTA parts? in reply to D Slater, 12-28-2012 05:24:59  
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So all the sliding gears are different?

So were the M, SM, and SMTA gears all different?

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D Slater

12-28-2012 09:19:35

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 Re: MTA parts? in reply to sflem849, 12-28-2012 08:13:56  
SMTA has a bigger diameter main shaft (top Shaft) than a M or SM. SMTA has a splined counter shaft. M and SM are keyed to gears. SM counter shaft has some sections where the gears go thats a bigger diameter than a M. First and reverse sliding gear is the same in most M and SM. Main shafts on most M and SM can be interchanged, but later ones had some improvements. Real late M and the SM got a input shaft and input shaft housing change. They can be interchanged if the matching housing is used. One bearing, seal and seal retainer and yoke also changed with the input. Early M can have some things different.

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12-28-2012 09:29:50

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 Re: MTA parts? in reply to D Slater, 12-28-2012 09:19:35  
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Cool info, thanks.

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D Slater

12-28-2012 09:47:22

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 Re: MTA parts? in reply to sflem849, 12-28-2012 09:29:50  
Probably should have mentioned that M and SM transmission gears can be put in both housings if enough parts are switched.

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