Aluminum case 833 identification

I bought an aluminum case 833 transmission on a consignment auction for $50 with a couple of mopar alternators. It has 833 and the date from 1983 it was built on the raised pad on the passenger side. It has b/e shifter mounting locations on the tailshaft. The shifter is in the b body location with non overdrive rods on it. The shifter is a bayonet style with a non chrome shifter handle in it. My question is what would this 833 com out of since I can find no other numbers to go off of. I thought that all aluminum 4 speeds were overdrive units. Maybe a transmission pro can answer these questions for me.
Thanks Cody