The ALCO RS-1 is a 4-axle diesel-electric locomotive built by Alco-GE between 1941 and 1953 and the American Locomotive Company from 1953 to 1960. ALCO subsidiary Montreal Locomotive Works built an additional three RS-1s in 1954.

The American Locomotive Company (Alco) could seemingly never outdo the Electro-Motive Division for dominance in the early diesel locomotive market. Despite this, the company would develop one of the most important layouts for how all future diesel locomotives would be built; the RS1, which pioneered the original road-switcher design.

The ALCO RS-1 was a 4-axle diesel-electric locomotive built by Alco-GE between 1941 and 1953 and the American Locomotive Company from 1953 to 1960. ALCO subsidiary Montreal Locomotive Works built an additional three RS-1s in 1954.

Alco RS-1 ROSTER; Reformatted: 21 October 2020: Douglas Walker photo (courtesy of RRpictures.net)--Data from: John Komanesky; Original Owner Road Numbers

The ALCO RS-1 was a 4-axle road switcher diesel-electric locomotive built by Alco-GE between 1941 and 1953 and the American Locomotive Company from 1953 to 1960. The Montreal Locomotive Works built three RS-1s in 1954.

The RSD-1 and RSC-1 were developed as six-axle developments for lighter rails, with the latter only four axles being driven. The RS-2 was built between 1946 and 1950, with 368 examples being built at ALCO and nine in Montreal.

The Alco RS1 is a 4-axle diesel-electric locomotive built by Alco-GE between 1941 and 1953 and the American Locomotive Company from 1953 to 1960. ALCO subsidiary Montreal Locomotive Works built an additional three RS-1s in 1954.

Mar 11, 2024 · The ALCO RS-1 was a diesel-electric freight hauler developed and manufactured by American Locomotive COmpany (better known as "ALCO"). The locomotive appeared in the early World War II period (1939-1945) at the prompting of Rock Island Railroad and was produced from March 1941 until March 1960 to the tune of 469 total units (Montreal Locomotive ...