Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

  Well, this is a slippery character to identify.  4107/5 1/2 is not on Robin's list
of engines.  Is there an online database of Marklin steam engines?  If so, clue
me in.

Wayne

Best informations from "Schiffmann" Volume 21, 22 and 23
21/22 will be reprinted in 2023

http://www.schiffmann-verlag.de/sammlerkataloge/

If you like I can make a photo from your Maerklin model
and there is a website from Austria: https://www.dampfspielzeug.at/maerklin-stehende-dampfmaschinen/maerklin-4107-5,5.html
It is a newer model without nickel ring on the top of the boiler.
Greetings, Arnold