RS-2m 554
RS-2m 554 at Fort Smith, Arkansas in January 1963 (Mike Condren).
RS-2m 554 at Fort Smith, Arkansas in January 1963 (Mike Condren).
RS-2M 554 at Mobile, Alabama on January 4, 1970 (Howard Wayt).
RS-2M 554 at Springfield, Missouri on March 28, 1964. The unit has been rebuilt by EMD with a 1,500 horsepower 567C engine.