The ALCO 251 is a 4-stroke diesel engine that was developed by the American Locomotive Company to replace its 244 and 539 engines. The 251 was developed to be used in diesel locomotives, as a marine power plant in ships, and as a stationary power generator.

Dec 21, 2024 · Alco's model 251 prime mover was a diesel engine developed to replace the troublesome 244.

Feb 8, 1999 · ALCO was the first manufacturer in the U.S. to introduce turbo-supercharging for a diesel engine, which increased its output from 600 to 900 bhp, cutting the power to weight ratio by almost a third.

ALCO 251 Discussion of products from the American Locomotive Company. A web site with current Alco 251 information can be found here: Fairbanks-Morse/Alco 251.

The document provides information about FM/ALCO 251 diesel engines. It describes the engines as rugged, efficient, and reliable. It then provides details about the engine configurations, components, enhancements in the 251 Plus version, genuine replacement parts, …

Jul 7, 1990 · The locomotives were re-engined with the 2,000 horsepower ALCo 12-cylinder 251C engine, and the long hood was raised six inches to accommodate the larger engine. The dynamic brakes were also moved to a box behind the cab. This class was also known by their M-K designation of TE56.

Bulletin: Alco 12-251C Atlas C-420 The ALCO 251 prime mover was the most popular and abundant prime mover ever made by the company. While it proved to be quite successful, it sadly outlived its original manufacturer, ALCO who closed their doors in 1969.

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Dec 20, 2024 · The Alco 251 is a 4- stroke diesel engine that was developed by the American Locomotive Company to replace the 244 and 539 engines. The 251 was developed to be used in diesel locomotives, as a marine power plant in ships and as a stationary power generator.

Oct 11, 2023 · The ALCO 251 is a 4-stroke diesel engine that was developed by the American Locomotive Company to replace its 244 and 539 engines. The 251 was developed to be used in diesel locomotives, as a marine power plant in ships, and as a stationary power generator.