Do you mean the one from Mountain Model Imports?
You can read about it here:
http://www.on30annual.com/images/PDFs/reviews/MMI%20K-27.pdf
And you can buy one here:
http://www.staubinon30.com/K-27s_c_11.html
I got one for Xmas, amazing model, great price and fast shipping.
Tom
does anyone know when they are going to release this locomotive for On30? any websites i can look at?