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RI 424, Alco Century 415 Locomotive; photo taken at South Chicago Yard, Chicago Il, on 13 July 1978.

RI 424, Alco Century 415 Locomotive; photo taken at South Chicago Yard, Chicago Il, on 13 July 1978.

By I, ÞorsHammer, CC BY 2.5, https://commons.wikimedia.org/w/index.php?curid=2309673

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ALCO Century 415 Diesel-Electric Locomotive
The ALCO Century 415 was a diesel-electric locomotive of B-B wheel arrangement produced by the American Locomotive Company (ALCO) as part of their Century Series of locomotives.

Specifications
The C415 was a large switcher or small road switcher equipped with a raised cab mounted slightly off-center, with a lower, narrower hood on either side. The longer one contained the diesel engine, a 1,500 hp (1.1 MW) eight-cylinder turbocharged Alco 251-F, while the shorter contained auxiliaries. The C415 could be ordered with three different cab heights; a low one for minimum clearances, one with a regular height, and one with an extra-height for maximum visibility.

Trucks fitted were either Type B road trucks or ALCO Hi-Ad (high adhesion).

Service History
The locomotive was not that popular; 26 were built between 1966 and 1968 for seven different owners. The locomotive is still in use today. According to the November 2011 issue of Railfan & Railroad magazine, the Burlington Junction Railway now owns three C415s numbered 21, 701 and 702.

Original owners
Hamersley Iron in Western Australia bought the prototype in May 1968, formerly lettered as ALCO 415. The locomotive was equipped with a medium height cab and AAR Type B trucks.
Chehalis Western Railroad bought a single high cab unit with Hi-Ad trucks.
Columbia and Cowlitz Railway bought a single high cab unit with Hi-Ad trucks. (Both the Columbia and Cowlitz and the Chehalis Western are Weyerhaeuser properties)
Monongahela Connecting Railroad bought a single low cab unit with Hi-Ad trucks.
Chicago, Rock Island and Pacific Railroad bought ten medium cab units with AAR Type B trucks.
Southern Pacific Railroad bought ten high cab units with Type B road trucks.
Spokane, Portland and Seattle Railway bought two medium cab units with Hi-Ad trucks; these were passed to the Burlington Northern Railroad after a merger between the two railroads.

Preservation
Southern Pacific Railroad 2406 is in Monterrey, Mexico, lettered as Fundidora Monterrey Steel 25.
Hamersley Iron 1000, formerly Alco Demonstrator 415 is at the Pilbara Railways Historical Society in Western Australia.
Monongahela Connecting Railroad 701 is at the Railroad Museum of Pennsylvania.
Chehalis Western Railroad 684 is at Fife History Museum.

ALCO Century 415 Overview
Type and origin
Power type: Diesel-electric
Builder: ALCO
Model: Century 415
Build date: 1966 – 1968
Total produced: 26
Specifications
Configuration:
​ • AAR B-B
Gauge: 4 ft 8 1⁄2 in (1,435 mm) standard gauge
Prime mover: ALCO 251-F
Engine type:
Cylinders: 8
Performance figures
Power output: 1,500 hp (1,100 kW)

See also:

Alco Century Series

Alco Diesel-Electric Locomotives

American Locomotive Company

Diesel-Electric Locomotives

Locomotives