F7A and F9A

[AmtrakPhill629]

What is the difference between an F7A and a F9A?

[LCJ]

2


Seriously, now, a quick search got me this chart:

http://members.aol.com/JFuhrtrain01/CF7 ... hasex.html

And then this:

http://www.hosam.com/model/emd.html

I'll just bet you could find much more here:

http://www.google.com