Classic Streamliners - TRAIN​CYCLOPEDIA

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EMD Builder's photo of A&EC F2 No. 400, ca. 1946.
Rock Island F2 No. 49.

Rock Island F2 No. 49.

A Rock Island freight at Joliet, Illinois, August 1963. The train is led by EMD F2 #43.

By Lawrence and David Barera (Flickr: Joliet CRIP Aug 1963 3-16) [CC BY-SA 2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons

A&EC EMD F2 color builder's portrait.

A Rock Island freight at Joliet, Illinois, August 1963. The train is led by EMD F2 No. 43.

EMD F2 Diesel-Electric Locomotive
The EMD F2 was a freight-hauling diesel locomotive built by General Motors Electro-Motive Division between July 1946 and November 1946. It succeeded the FT model in GM-EMD's F-unit sequence, and was replaced in turn by the F3. The F2 was in many respects a transitional type between those two; it kept the 1,350 hp rated D8 generator from the FT due to late development of the new D12 generator intended for the F3, but in a revised carbody design and internal layout that would be continued through the rest of the F-unit series. 74 cab-equipped lead A units and 30 cabless booster B units were produced.

There are no reliable recognition features for an F2. They were built with what has become known as 'Type 1' side panels, with three portholes and no filter grilles, but this was carried over into early F3 production and in any case could be changed later by the owning railroad. Like most F3s, they were built with small side numberboards. They, and all subsequent F-units, are readily distinguished from the FT by having two exhaust stacks instead of four, and by having no large overhang on the end of the B units, while the trucks were a little further away from the other ends.

They also had four radiator fans at the center of the unit next to each other in line on the roof instead of two at each end. This external feature was the result of a major change in internal arrangement, the replacement of all mechanical and belt-drives for radiator fans and traction motor blowers with electric motors. Power for these accessories was produced by a new D14 three phase alternator built into the main DC generator, called a “companion alternator”. This device has been used in all later EMD road locomotives to the present.

No F2's survive today.

Original owners
Atlantic and East Carolina Railway
A units Quantity: 2
A units Road numbers: 400–401

Atlantic Coast Line
A units Quantity: 12
B units Quantity: 12
A units Road numbers: 324–335
B units Road numbers: 324B–335B

Boston and Maine Railroad

A units Quantity: 18
B units Quantity: 3
A units Road numbers: 4224A–4226A, 4250–4264
B units Road numbers: 4224B–4226B

Chicago, Burlington and Quincy Railroad
A units Quantity: 10
A units Road numbers: 150A–154A, 155C–159C

Chicago, Rock Island and Pacific Railroad
A units Quantity: 12
A units Road numbers: 38–49

Minneapolis and St. Louis Railway
A units Quantity: 2
B units Quantity:1
A units Road numbers: 147A, C
B units Road numbers: 147B

New York Central Railroad
A units Quantity: 2
A units Road numbers: 1604–1605

Southern Railway (Alabama Great Southern Railroad)
A units Quantity: 2
A units Road numbers: 6700, 6701

Ferrocarriles Nacionales de México (National Railways of Mexico)
A units Quantity: 14
B units Quantity: 14
A units Road numbers: 6200A–6213A
B units Road numbers: 6200B–6213B
Total A units: 74, Total B units: 30

Overview
Type and origin
Power type: Diesel-electric
Builder: General Motors Electro-Motive Division (EMD)
Model: F2
Build date: July 1946– November 1946
Total produced: 74 A units, 30 B units
Specifications
AAR wheel arrangement: B-B
Gauge: 4 ft 8 1⁄2 in
Prime mover: EMD 567B
Generator: EMD D8
Performance figures
Power output: 1,350 hp
Career
Disposition: scrapped

See also:

EMD

EMD Diesel-Electric Locomotives

Diesel-Electric Locomotives

Locomotives

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EMD Builder's photo of A&EC F2 No. 400, ca. 1946.

A&EC EMD F2 color builder's portrait.
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