Don't give me a model number of an HVAC unit, no, not that type, because that's spelled different. No, I'm talking about the big, loud, monster delivery machines that transport everything across America, or where ever you live. This post was inspired by my previous one about planes. So, what is it? Here are mine.
C&O Baldwin M-1
And the PRR T1
Have at it, and be sure to include pictures