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 …

Jan 9, 2025 · 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 …

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

The S-series rode on Alco’s own Blunt trucks, named for the in-house engineer who designed them to negotiate the tight turns and less-than-perfect track often found on switching …

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 …

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 …

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

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 …

All S-2s were painted black with yellow lining/lettering, and all were off the roster by 1969. None were ever painted in the blue and grey lightning stripe livery. Purchased by Relco in March …

Jan 1, 2023 · The ALCO S2 and S4 were 1,000 horsepower (746 kW) diesel electric switchers produced by ALCO and Canadian licensee Montreal Locomotive Works (MLW). The two …