This information sheet supplied with the model makes it clear that the model is based on the F&M #1 despite the box being labelled as F&M #2/#3.
Brief prototype locomotive notes
The prototype locomotive was built by Hinkley in 1884 as their works #1664 as Franklin & Megantic #1 V.B. Mead (1884 – 1905), and also served as;-
Franklin & Megantic #2(2nd) (1905 -1908)
Sandy River & Rangeley Lakes #2 (1908 – 1912).
For more information about the prototype locomotive, click here.