At Pueblo, Colorado in 1983. It has since been dismantled in an attempt to make it operable again, without much visible progress.

http://www.rr-fallenflags.org/atsf/atsf-s2912ags.jpg

This class is an ongoing topic of discussion on this forum and others. This is not the time period for this class. I think most of us would love to see a member of this class blasting down a Class 1 main with a full train in tow.

I hope to see it as well in my lifetime. In the meanwhile, I hope that these big girls find some loving caretakers who will keep things lubricated and painted until the right time happens. We have quite a few specimens extant.

Scott