The ALCO S-2 and S-4 are 1,000-horsepower (746 kW) diesel electric switcher locomotives produced by ALCO and Canadian licensee Montreal Locomotive Works (MLW). [1] Powered by turbocharged, 6-cylinder ALCO 539 diesel engines, the two locomotives differed mainly in their trucks: the S-2 had ALCO "Blunt" trucks; the S-4, AAR type A switcher trucks ...

2025年1月9日 · The S2 was the second switcher model Alco produced although it was constructed at the same time as the earlier S1. One of the significant differences between the two models was the increased horsepower of the S2, which was a …

Sources of information: Extra 2200 South, Diesel Era, The Short Line and The Canadian Trackside Guide. Model: ?

ALCO S-2. One of the most popular switching locomotives in North America during the 1940s and 50s was the ALCO-GE Model S-2 (specification E1540). 2502 of these thousand-horsepower units were built from April 1940 through December 1949.

Tractive Effort (starting) 69,000 @ 30% (S-2) and 72,400 lbs @ 30% (S-4) Tractive Effort (continuous): 29,200 lbs @ 6 mph / 34,000 @ 8 mph Multiple Unit Capability: Yes

Built by the American Locomotive Company (Alco) the low-hood S-2 was introduced in 1940 to replace Alco’s earlier high-hood switchers. The 1000 horsepower S-2 was a turbocharged version of the S-1. There were 1,502 S-2’s sold to North American Railroads. Alco introduced the …

The ALCO S-2 and S-4 are 1,000-horsepower (746 kW) diesel electric switcher locomotives produced by ALCO and Canadian licensee Montreal Locomotive Works (MLW). Powered by turbocharged, 6-cylinder ALCO 539 diesel engines, the two locomotives differed mainly in their trucks: the S-2 had ALCO "Blunt" trucks; the S-4, AAR type A switcher trucks.

An ALCO S-2 Roster will show these occupied 4 distinct number series, in 3 different classes. Differences were limited to minor mechanical things and marginal variation in weight. Some received radio equipment and train indicators, none were ever MU capable.

2024年10月28日 · Read a product review of the O gauge Lionel Legacy Alco S2 switcher from Classic Toy Trains and Chris Montagna. Hidden in the back of the Lionel 2023 Volume 2 catalog — behind large Legacy steam and diesels locomotives, plus a few heavyweight passenger cars — was the small yet proven Alco S2 switcher.

2020年12月10日 · Dominating models bought new included Alcos S2 switcher and Electro-Motive's popular NW2, SW7, SW1500, and MP15 models. Like most of its road switchers, Southern assigned batches of these units to its various corporate subsidiaries, especially the CNO&TP and AGS.