including S-2

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S-1

S-2

 

ALCO Switcher S-1, S-2, S-3 and S-4

 S-1 S-2 S-3 S-4

Horsepower:

 660 1,000

Wheel Arrangements:

 B-B B-B

Production Years:

 1940 - 1950 1940 - 1950 

Engine Model:

 E-1530 E-1540

Cylinders:

 6 6

Number of Units

 540 1,502