SA->140 transmission swap

Farmall Super A, AV, 100, 130, & 140 1939 - 1973

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Alex Hart
Posts: 20
Joined: Sun Jul 07, 2019 7:41 am
Zip Code: 31551

SA->140 transmission swap

Postby Alex Hart » Tue Mar 31, 2020 9:10 pm

Hi all, i'm going to attempt to swap transmissions from a SA to a 140 and i'm wondering how is the best way to do it, should I break at the bell housing or transmission itself? Thanks.

Jim Becker
Team Cub
Team Cub
Posts: 14857
Joined: Sun Feb 02, 2003 2:59 pm
Zip Code: 55319
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Re: SA->140 transmission swap

Postby Jim Becker » Tue Mar 31, 2020 10:59 pm

Wedge the front axle to disable the axle pivot. Drain the transmission.

I'd start at the back. Take off the Fast-Hitch or standard drawbar as applicable. Remove the PTO if needed on the other transmission. Take off the left wheel then final drive. Get enough stuff out of the way so you can unbolt the platform and axle housing from the transmission. The right blocking under the platform and axle housing may allow you to unbolt it as an assembly. Then unbolt the transmission from the bell housing.

At least, that is how I would try to do it. Others may have a different approach.

Alex Hart
Posts: 20
Joined: Sun Jul 07, 2019 7:41 am
Zip Code: 31551

Re: SA->140 transmission swap

Postby Alex Hart » Wed Apr 01, 2020 12:28 pm

Mr. Jim, I should've clarified: i'm just going to completely swap the transmission/rear end. That's why I was wondering if it would be best to break apart at the front of transmission or at the bell housing. Thanks.

Jim Becker
Team Cub
Team Cub
Posts: 14857
Joined: Sun Feb 02, 2003 2:59 pm
Zip Code: 55319
Circle of Safety: Y
Location: MN

Re: SA->140 transmission swap

Postby Jim Becker » Wed Apr 01, 2020 2:27 pm

Oh, swapping out the whole back end of the tractor. Behind the bell housing.


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