Thanks for the clarification.
Anyhow, I need to be more accurate in my terminology; those locos with cowls, shells and/or monocoque bodies would be called (as in the past) cab units; and, of course, there is no law stating that cab units are passenger locos strictly.
Anyhow, I need to be more accurate in my terminology; those locos with cowls, shells and/or monocoque bodies would be called (as in the past) cab units; and, of course, there is no law stating that cab units are passenger locos strictly.