1939 Mopar overdrive transmission?

I'm looking for a 39 mopar overdrive transmission, because it is top shift... but I have no idea what the 39 box looks like. Does anyone have a picture? Schematic? drawing? Anything! Help!
thanks,
Chris

 

1939 Chryslers and DeSotos might have had overdrive (they did by 1940-41) but they already had column shifters. The ’39 Mopars with floor shifters would not have had overdrive. Long ago, I read about mating up a pre-war top-shift transmission with an overdrive unit, probably from the same period, but they did not come from the same cars.

 

From what I uderstand from George Asche the 39 top shifts did have overdrives... can anyone confirm this?

 

Really? Nobody? Damn!

 

My 1948 Motors manual has a different trans removal procedure listed for 39 Chrysler and DeSoto trans equipped with overdrive so it sounds like it was available.

 

I can't recall the details right now, but the early O.D. was a simpler version. Ask Todd Fitch over at P15-D24. I'm pretty sure he's the one who knows the early stuff. Search the archive there too. I'm sure it has been discussed.

 

I saw one for sale several years ago - I've been looking for a pic or info eversice.
I believe the trans was a Warner gear unit - the OD was not identified but looked like the later BW unit.

 

I had one a few years ago and it looks like a regular 3 speed with a overdrive unit on back.

 

here is a start - http://www.imperialclub.com/Yr/1938/blueC19/index.htm