ALCo S6

Built by ALCo

Track gauge

1,435 mm

Standard gauge

Years built

1955–1960

126 units

Axle arrangement

Bo'Bo'

Overview of the ALCo S6

Discover the ALCo S6 diesel locomotive, a robust and reliable workhorse built between 1955 and 1960.

This powerful engine, featuring a Bo'Bo' wheel arrangement and a 1435 mm gauge, served effectively in various operations.

Notably, the S6 was part of the fleet for the Belt Railway of Chicago, where it was classified as BRC S6.

Representing solid engineering from its era, the S6 stands as a testament to efficiency and dependability in rail transport.

Railway companies that have operated the S6, with the class designation used by each of them.

Operator	Class	Country
Belt Railway of Chicago	BRC S6	United States