Andy, you can add
GM&O 22000- 22419 built 1947 ACF lot 3141
L&N 19000- 19499 built 1947 PS lot 5866
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Andy Carlson wrote
This door is called a YSD-2A in Hawkins-speak, or a 5/5/4 (Ed counts the ribs instead of the panels). See Ed's article in Railmodel Journal, October 1999. The article correctly identifies the B-50-39 door, as well as the NC&StL, NS, and GM&O (see correction) -- but not the GN cars! Here are some more in his list.
ATSF Bx-48
ATSF Bx-50
ATSF Bx-53
ATSF Bx-62
ATSF Bx-63 (?)
GM&O 21000-21749 (21750-21999 had 7p Superior doors)
ITC 6500-6849
MONON 251-500
GOC 222-251
GA 29000-29049
A&WP 37600-37649
WofA 17600-17649
WABASH 88200-88699
WP 20551-20800
SOU 23000-23241
SOU 23269-23299
SOU 23473-23486
SOU 262040-262049
SOU 307025-307027
SOU 330000-330499 (NO&NE)
I have a small list of verified users of the 6' wide Youngstown post-war steel
6/6/5 door. Ted Culotta has a UP B-50-39 40' 6" ACR HO boxcar resin kit which
uses Dan Hall's accurate door. I have some additions:
Great Northern 40'-0" IL 8 panel plywood sided boxcar # series 10800-10899, the
last 100 single door plywood boxcars built new by the GN in 1947. These are the
only cars I have found where a nominally 10-6 IH door was used on a 10-0 IH car,
a practice GN often followed.
Gulf Mobile & Ohio 40'-6" IL 10 panel riveted single door 10'-6" IH boxcar
#series 21000-22419 with 1419 cars listed within the group in 1953, built in
1947.
Nashville Chattanooga & St. Louis 40'-6" IL single door 10 panel riveted steel
boxcar # series 19000-19499 with R+3/4 IDE, built in 1947.
Norfolk Southern (original) 40'-6" IL single door 10 panel riveted steel boxcar
# series 27000-27249 class XM5 with 4/4 IDE, built in 1947
Union Pacific 40'6" IL 10 panel ACR riveted steel single door boxcar, series
197000-198999 class B-50-39 built in 1947.
I have photo documentation for all of the above acquired from the Gerstley late
50's color slide collection. I have just screened the the "G" through "N", so
hopefully, I will find other examples. Feel free to add to this list. Thanks,