I'll go first with a 14 ton 30" gauge Apex.
I've never heard of one but found this while researching other RR stuff I'm looking for.

It's a Climax knock-off produced by the Malarky Bros. Locomotive Works exclusively for 30" gauge railroads.
Here's the blog and more pics;
http://hometown.aol.com/dallastrains/minimax-1.html
