SSW 56000-56001:
SSW 56000-56001
These 25,500 gallon, 100-ton tank cars were built by AC&F in 9/1964. They were originally assigned to alcohol service. They featured 64'-4" length over strikers, A-3 Ride Control trucks, 36" wrought steel wheels, WabcoPac air brakes, full-lenth walkways across the top and Timken roller bearings.
A black and white photo of SSW 56000 can be seen in the book SP Freight Cars 1920-1965 by Guy Wilber.