The American Locomotice company manufactured the ALCO RS-3. It is a 12 cylinder, fourt sroke engine and was made between May 1950 and August 1956.
ALCO RS-3 | builder | American Locomotive Company ALCO RS-3 | cylinder count | 12 ALCO RS-3 | build date | May 1950 - August 1956 ALCO RS-3 | engine | Four-stroke engine