SSW 20275-20299:
SSW 20275-20299
These 50'-6", 50-ton box cars were built by PS (Lot 8209) in 10/1954 as PS-1s. They featured 8'x 9'-10" Superior doors, 10'-5" interior height, U.S. Gypsum running boards, Pullman Standard ends, ASF A-3 Ride Control trucks, Universal hand brakes and 4839 ft3 capacity.
They were equipped with 9-Belt "DF" load cushioning devices by Evans Products in 11/1954.
Many thanks to Shawn Beckert for much of the above information.