The
RS-1 was introduced by ALCO in March of 1941 with the delivery of the first of
two units to the Rock Island. Combining the accessibility of a switching locomotive
and the higher-speed tracking of a road unit, the RS-1 started a revolution in
locomotive design that was soon embraced by all of the major diesel-electric builders.
Road
Switcher
Trucks: B-B
Prime Mover: 1,000 horsepower 6-Cylinider E-1641
Diesel