At the annual meetings of the New Haven Railroad Historical and Technical Association – NHRHTA – I used to see a member who had a display of numerous "New Haven" model trains that never existed in real life. He referred to his models as "Non-Havens."
Shown below are two “Non-Havens” that I noticed recently and found surprising.
First photo shows New Haven NE-6 Northeastern caboose C-649 by MTH.
Second photo shows New Haven NE-6 Extended-Vision caboose C-649, also by MTH.
The New Haven Railroad never had a caboose of either of these types. So, both are not only “Non-Havens” but they have the same road number – something that I thought MTH avoids on models that differ from each other.
Third photo shows a prototypical model of New Haven NE-6 caboose C-681 by Atlas O. In real life, this is how New Haven C-649 looked.
The conclusion is that “Non-Havens” have been with us in O gauge for a long time and probably will continue to be in the future too.
MELGAR