Yeah, I really got into this stuff as a kid. Someday I might build another layout... We'll see - it's kind of like that's all I need right now, another hobby.
G scale - wow, that's a real oddball. It used to be there wasn't much available, compared to HO and N, or even O scale. Beautiful model.
It looks like I had it wrong with regards to the Y6B being a "simple" articulated engine. You can clearly see the larger front cylinders so, it must be a compound locomotive:
Here are couple of photos showing first the ubiquitous "Mikado" 2-8-2 freight engine, then the equally ubiquitous "Pacific" 4-6-2 passenger engine. The difference in driver sizes is pretty apparent.
