Thanks for your suggestions. I have moved the locomotive into the same group as the other train items and added the Schall compatibility. I also added “1” to the basic items.
I don’t see a reason to add a setting for the tertiary chargers, though. If you don’t want to use them, don’t research them or just don’t build them.
Not sure of there were any other changes because you broke a bunch of tabs and indentations that made it hard to spot changes.
FYI: By changing the version to 1.1.8 in your modified files, you will not receive any update to version 1.1.8 that I publish. You might want to change that back to 1.1.7.