RS-2 Alco hood unit Profile and Models

Maine Central 554 at Bangor, Maine in February 1970. ©Roger Puta

The ALCO RS-2 is a 1,500–1,600 horsepower (1,100–1,200 kW) B-B diesel-electric locomotive built by the American Locomotive Company (ALCO) from 1946 to 1950. ALCO introduced the model after World War II as an improvement on the ALCO RS-1. Between 1946 and 1950, 377 examples of the RS-2 were built, primarily for American and Canadian customers. (Information provided via Wikipedia)
Type of Locomotive	Diesel-Electric
Builder	ALCO Montreal Loco Works
Build Dates	1946 to 1950
Total Built	377
Tractive Effort	62,500lbf
Power Output	1,500hp
Top Speed	60mph
Wheel Configuration	Bo-Bo
Operated By	American Locomotive Company (demonstrators) Alton and Southern Railway Atlantic and Danville Railway Belt Railway of Chicago Birmingham Southern Railroad Boston and Maine Railroad Canadian Pacific Railway Carolina & North-Western Railway Chesapeake and Ohio Railway Chicago and North Western Railway Chicago Great Western Railway Chicago, Indianapolis and Louisville Railroad Chicago, Rock Island and Pacific Railroad Danville and Western Railway Delaware and Hudson Railway Detroit and Mackinac Railway Elgin, Joliet and Eastern Railway Erie Railroad Great Northern Railway Green Bay and Western Railroad Gulf, Mobile and Ohio Railroad Kennecott Copper Corporation Lake Superior and Ishpeming Railroad Lehigh and New England Railroad Lehigh Valley Railroad Macon, Dublin and Savannah Railroad Maine Central Railroad Missouri-Illinois Railroad New York, New Haven and Hartford Railroad New York Central Railroad Oliver Iron Mining Company Ontario Northland Railway Roberval and Saguenay Railway St. Louis and Belleville Electric Railway St. Louis-San Francisco Railway Seaboard Air Line Railroad Southern Railway Spokane, Portland and Seattle Railway Texas and Pacific Texas Pacific-Missouri Pacific Terminal Railroad of New Orleans Toledo, Peoria and Western Railway Union Pacific Railroad Union Railroad Western Maryland Railway Youngstown and Northern Railroad Canadian Pacific Railway Napierville Junction Railway Ontario Northland Railway Roberval and Saguenay Railway
Main Duties	Freight
In Service Until	1990s
Surviving Examples	Some in preservation