This is a 2-8-2 Mikado. It is often referred to as a mudhen. The following is a prototype photo.
These are prototype photos of other K-27s.
Here is the Blackstone Model No 456, weathered.
So what would a K-27 be doing on the NPC. In the North Shore days they had three C-17 2-8-0 engines. One came from the D&RGW. It is not outside the realm of possibilities that they may have leased a K-27 to deal with increasing freight loads. That is what I am gong to assume.