ID 1928 AA coupling shaft

[M.W.Miller]

I am working on a 28 AA truck with the usual set up of a three speed trans, worm drive rear end. I need the coupling shaft between the trans and rear end tub, that mounts with u-joints. I picked one up thinking it was correct, but turned out to be for a four speed. I just found another one in Denver; I was told is for the three speed application, But all the info I have looked at shows a different type then what I have now. Mine has a heavy cast tub, and the odd bolt pattern for mounting one end. Anyone recognize this unit on their trucks. I also think I am needing a few more parts? View pictures. Any help would be a great help. Thanks...Mike

[Bob C]

That is used in a Reeve's frame extension kit.
The picture below is a 28-29 coupling shaft.

Bob

[Neil Wilson]

Originally Posted by M.W.Miller

I am working on a 28 AA truck with the usual set up of a three speed trans, worm drive rear end. I need the coupling shaft between the trans and rear end tub, that mounts with u-joints. I picked one up thinking it was correct, but turned out to be for a four speed. I just found another one in Denver; I was told is for the three speed application, But all the info I have looked at shows a different type then what I have now. Mine has a heavy cast tub, and the odd bolt pattern for mounting one end. Anyone recognize this unit on their trucks. I also think I am needing a few more parts? View pictures. Any help would be a great help. Thanks...Mike

The pictures do not show a 1928/1929 coupling shaft. You can view a set of pictures of a 1928/1929 coupling shaft at https://app.box.com/s/h726vxhdgkqm7ukcnff9gyvv7icwhx35

Note that the front support (u-joint housing parts) were the same as for the A chassis. The RGJS should cover the different designs (the first had unevenly space bolt holes.

[Brian T]

Hello Mike
Thanks for posting about the coupling shaft, I am looking for the correct coupler also, picture below, the one you have is the same is what Steve at Berts sent me a picture of, thanks to Bob C the mystery of where in belongs as been solved.

Mike, I just had a thought, would you measure the length of that internal shaft, I am thinking 20 inches, PM me with a reply, Thanks Brian.

[M.W.Miller]

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Yes, Mystery solved! Reeves frame extension as found in; "TRUCK OWNER" Ford A/AA book. By A.G. McMillan page 145. My search continues. Thanks for everyone's posts. Now I know what to look for.

Regards...Mike Miller