Automation can give rise to stories when it goes horribly wrong, but this is really about the effects of an industrial accident (or Occult Industrial Accident) on the living characters.
You bring up a good point there. We have the some buildings with fancy machines now, the airships and all, but thats about as steampunk as it gets.
No, but there is a model for one in the game's files. Also of note is a "steam tank" and the Steam Knight, which we've already seen. Edit: It's actually called the Steam Crawler and there appear to be animations and textures for it. Here's a screenshot of the folder for anyone interested: