Question about letters

[ccaranna]

Hey guys,

What does the small letter after a road number on pre-NS Southern units signify?  For example, in this photo what is the "K" for?  

http://www.railpictures.net/viewphoto.php?id=134764

Thanks,

Chuck

[Butch]

Check out this explanation of check codes on southern.railfan.net.

http://southern.railfan.net/check.htm

ba

[ccaranna]

Got it, thanks!  That's an interesting check method they had there.  Takes some time to get used to, but it works.