PTO Shaft difference on a early and late A.

Farmall Super A, AV, 1939 - 1954

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PTO Shaft difference on a early and late A.

Postby Ida Red » Sun Nov 25, 2012 11:25 pm

Where the PTO shaft links up in the diffy, how does the coupler differ from an early to a late A.
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Re: PTO Shaft difference on a early and late A.

Postby Jim Becker » Sun Nov 25, 2012 11:32 pm

It doesn't. Super A was different.
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Re: PTO Shaft difference on a early and late A.

Postby Ida Red » Mon Nov 26, 2012 9:12 am

OK how does the coupler in a Super A differ from the A ?
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Re: PTO Shaft difference on a early and late A.

Postby Jim Becker » Mon Nov 26, 2012 10:56 am

The A engages with 2 drive lugs. The Super A with something more like a spline with 10 or 12 teeth. They use correspondingly different transmission main shafts to match the sleeve on the PTO. The difference can be seen in the parts catalog illustrations, but not seen that clearly.
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