I'm considering an A 500 4 speed overdrive for a 72 Duster

I'm considering an A 500 4 speed overdrive for a 72 Duster

A search on DuckDuckGo showed this:
Description:

4 speed rear wheel drive automatic overdrive transmission. Unit identification:

Hydraulic (RH) units utilize a 2 or 3 pin case connector.
Electronic (RE) units utilize an 8-pin case connector.

Ratios:

1st: 2.740
2nd: 1.540
3rd: 1.000
4th: 0.690 Hydraulic (RH) 1988 - 1996.

Electronic (RE) 1993-ON

By the way...I have stopped using Google for searches due to their political bias!