Here are a couple of links that might help you out.
http://www.yesteryeardepot.com/IC906.JPG
http://www.railarchive.net/rlsteam/ic.htm
I have been told that the Bachmann 2-8-0, for all intents and purposes
is actually modeled after an IC engine. I bought one in N Scale and
plan to use it on my layout as numbered in the 900 series. So far the
engine has performed extremly well on the break-in track, (Bachrus
rollers) and if possible I might add another to the roster. I also
want to aquire a Bachmann 4-8-2 to dress up as a pre-Paducah Mountain.
Somewhere I have a list of engines that can be made into suitable IC
engines that a friend on another list gave me. I will look it up for
you and post it here. I believe that my friend listed the actual IC
engine that the Bachmann 2-8-0 is based on.
Until then
Greg