The carrier emerged from receivership in 1946 as a powerful
regional railroad, able to compete with and beat Atlantic Coast Line
and Southern in a number of key markets and become one of the
nation’s fastest and most efficient mid-size railroad companies.
Included among these improvements were a number of all-
steel box cars of various types that modernized Seaboard’s car
fleet earlier than its competitors.
These cars included 2,000 all steel 1932 ARA cars (SAL B-6, 17000-
17999 and 18000-18999), 200 automobile cars (SAL AF, 10000-
10199), 500 turtleback box cars (SAL B-7, 18000-18499), 1,200
turtleback automobile cars (SAL AF-1, 11000-11699 and SAL AF-2,
11700-11999 and 22000-22199), and various other types of cars
