Transmission Identification

[adrx69]

Hello, I would like to know what this is, what it is used for and where it came from. Or some similar information. Thank you in advance for your support.

 

[LSS&B]

At least according to this Reddit source, it's an A833 because H3 C99128 body. Looks butchered.
Was input shaft cut off?
What happened to tailshaft housing?
Does it have any Chrysler symbols?
Number of shift levers on opposite side?

 

[69Coronetrt]

Can you tell if there is anything stamped here?