Don't know if you bought them for the GN 12 panel cars or not (only you can
truly answer that <grin>), but that's what I bought 25 pair for!
Data I've collected over the years indicates the 4/6/6 doors were used on the
following GN series of 12 panel cars:
10900 - 11374 built '48 - some had 7 panel Pullman Standard doors
11375 - 11874 built '48 - some had 5 panel Pullman Standard doors
18500 - 19499 built '49
19500 - 20499 built '51
Note that Intermountain has cast two different ends for the 12 panel kit over
the years. Early models were a "4/3/thin" , later are a 4/3/0. Also, on some
series produced at the GN's St. Cloud shops, the top "rolling pin" on the
middle "3" panel is flat all the way across the bottom.
Brian J Carlson writes:
"I have two pair of Dan Hall 4/6/6 (counting from the top down) Youngstown
doors. I am not sure why I bought these. I think I planned to use a pair
for a GN 12 panel model. Does anyone know if the GN 12 panel cars used