Alco 539t

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The Alco 539T was a diesel prime mover built by the American Locomotive Company.

This engine was also used as a stationary powerplant, used in pipeline pumping stations, tugboats and dredges.

It has a straight six, four-stroke design in a cast block which produced from 810 to 1,000 horsepower.

The engine has a bore of 12.5 inches, and a stroke of 13 inches.

The 539 engine was built at Alco's Auburn, New York engine plant and later starting in September 1949 in Canada.

The 539T was equipped with the Buchi turbocharger being made under license by the Elliott Manufacturing Company of Jeanette, Pennsylvania.

The first 539T engines were used in S-2 switchers and DL-105 passenger locomotives built in September 1940.