4 speed identification

gorgerider said
It doesn't mate up flat because of what I assume is the secondary shaft that protrudes underneath the main shaft. I don't see a hole for it and don't know if is supposed to be inside (see new pic above). Wouldn't the casting numbers (listed above) tell us if it's supposed to be in a car?

I suppose I also need to download the '75 version.

I notice the tip of the U-shaped fork looks broken (see last pic). Is it supposed to look like the tip of the "?" fork?

The seller stated it was from a passenger car and not a truck. People say whatever. He also stated it was a 3-speed OD box. Applying your instructions, it looks like a 4-speed box.

There is another trans available from the same guy. Aluminum case. No other information on it at this time. If it's in better shape (not so much broken stuff), I'll try to work a swap using guilt and hassle as bargaining chips.

Thanks for your help on this, Sensei.

The shaft is undoubtedly the countershaft for the cluster gear. It may have worked itself out (should be flush) or the gear breakage may be a clue of other damage.

For the manual, download the 72 and 73 manuals, both are good to have, and are the latest you can get. The 73 "body" manual won't do you a lot of good, but I would get it, anyhow.

I would think some research on bell casting no's would tell you if it's truck or car. "I'm not sure" as some cars and vans used 833 / OD units instead of a "truck" gearbox, and so far as I know, they all used the larger flywheel, which you don't want.

I don't know about the fork.....cannot see it well enough

Depending on what the seller wants for the aluminum box, it just might be worth getting it "anyhow."