According to the NEB&W website, 40' PS-1 boxcars were still in
production after 1966. In 1966 Atlantic Coast Line received 800
cars, in 1967 Seaboard Coast Line received 950 cars, and in 1968,
the final year listed for 40' PS-1 construction, the Milwaukee
received 25 cars. However, all of these cars were built with single
The Milwaukee did have 40' PS-1s with combination doors, series
29000-29499, 500 cars built 1958. A solid side sill ran the length
of the car, with a drop section spanning from bolster to bolster. I
couldn't find a reference to such a Rock Island car.
Unfortunately, I don't think there is a ready prototype for your
car, but side sills can be modified with strip styrene.
--- In STMFC@..., "Bill McCoy" <bugsy451@c...> wrote:
I picked up a McKean Master Series undecorated 40' PS-1combination
plug and sliding door box car kit in April. The car has an 8'are
cast on door stops for the plug and sliding door and complete 15'bolsters
and there is a side sill reinforcement running the length of the15'