There are "tricks" you could do with the various combos of PW transformers too.
They all have to be phased, and "multi-posts" used correctly, no matter the age.
A CW will just refuse to work if its not phased right.
Its breaker drop out, is lighting fast compared to PW.
A CW draw back would be the peak amps on a high draw PW unit, might shut it down if you throttle up too fast.
The main PW difference is U being reversed on single train, and to two train transformers..