1361 was the hot button topic in train preservation for years until the recent debacle with UP in Cheyenne replaced it.
As I understand it, she steamed for about a year in the 80s and has been in various states of 'not ready to display' ever since. I don't know all the details so I won't rehash them here.
There's only two K4s in existence, the other is at the impressive museum at Strasburg. Sadly, the other doesn't look too good as it's displayed outside in a very unforgiving climate:
