2017 Charger Pursuit AWD
You're comparing apples to oranges here, while trying to steer the narrative.How much commonality is there between the 722.6 and the A580? Seems like, based on stuff like Sonax and Transgo kits, quite a bit, at least at the valve body and maybe pump level, minus the 2d reverse gear stuff and as a result the actual valve body (at least). Transgo has one Shift Kit SK 722.6-A for all DCX versions of the 722.6, and Sonax has all 722.6/A580 kits on the MB 722.6 page, including Chrysler valve bodies.
First, in order to stay within the fold of this forum and discussion, we're talking about the transmissions used in the Charger Pursuit models from 2006-2019. When these cars were/are in service, they don't use aftermarket performance kits in them during servicing. They use readily available repair parts specific to the model. As these are emergency response vehicles used in an extremely demanding application, they cannot afford to use replacement parts of unkown origin, quality, or without required certifications that they meet police specifications.
With regard to interchangeability, there's very little, if any, direct compatability between the MB assembly and the Chrysler transmissions. This is a trap than many aftermarket suppliers and parts stores have fallen into, out of sheer laziness more than anything. These outfits simply lump together everything they deem to be "similar" and equate it as "the same". A good example is parts stores showing interchanges between the older LX models and newer LD models with things like suspension parts, fuel pumps, throttle bodies, etc etc. Yes, some of these parts may look similar, but they are not the same, and that causes no end of trouble when it won't quite bolt up or plug in, or the ECM won't recognize it, or some other PITA issue.
But what about the A580? Again, interchange is very limited by year. Currently, Chrysler is showing one Mopar Reman part number that covers the V-8 LX cars. For V-8 LD models, there is presently one number for the 2011 - 2014 models, another for 2015-2017, and the last (which will eventually supercede all previous LD assemblies) for the 2018/19 models.
Bottom line - as previously stated, they are Chrysler assemblies derived from the MB transmission, which itself was derived from the 5HP30. That's really all there is to it. It was a decent design, and once Chrysler assumed production, it gained a reputation as one of the most bullet-proof automatics they ever built - and it was very well-liked by the agencies that had/have them.