| Power type | Diesel-electric |
|---|---|
| Builder | General Motors Electro-Motive Division (EMD) |
| Model | F2 |
| Build date | July 1946– November 1946 |
| Total production | 74 A units, 30 B units |
| AAR wheel arr. | B-B |
| Gauge | 4 ft 8½ in (1,435 mm) |
| Power output | 1,350 hp (1000 kW) |
The EMD F2 was a freight-hauling diesel locomotive built by General Motors Electro-Motive Division between July 1946 and November 1946. Electro-Motive Diesel Inc (formerly the Electro-Motive Division of General Motors Corporation is currently the world's second largest builder of Railroad Year 1946 ( MCMXLVI) was a Common year starting on Tuesday (link will display full 1946 calendar of the Gregorian calendar. Year 1946 ( MCMXLVI) was a Common year starting on Tuesday (link will display full 1946 calendar of the Gregorian calendar. An A unit, in Railroad terminology is a Locomotive (generally a diesel or Electric locomotive) equipped with a driving Cab, A "B" unit in railroad terminology, is a Locomotive unit (generally a Diesel locomotive) which does not have a driving Cab, or crew compartment The AAR wheel arrangement system is a method of classifying locomotive (or unit Wheel arrangements that was developed by the Association of American Railroads. Rail gauge is the distance between the inner sides of the two parallel rails that make up a railway track. Cargo (or freight) refers to goods or produce transported generally for Commercial gain by ship, aircraft, train, A Diesel locomotive is a type of Railroad Locomotive in which the prime mover is a Diesel engine. Electro-Motive Diesel Inc (formerly the Electro-Motive Division of General Motors Corporation is currently the world's second largest builder of Railroad Year 1946 ( MCMXLVI) was a Common year starting on Tuesday (link will display full 1946 calendar of the Gregorian calendar. Year 1946 ( MCMXLVI) was a Common year starting on Tuesday (link will display full 1946 calendar of the Gregorian calendar. It succeeded the FT model in GM-EMD's F-unit sequence, and was replaced in turn by the F3. The EMD FT was a Diesel-electric locomotive produced between November 1939 and November 1945 by General Motors ' Electro-Motive Division (the "F" EMD F-units were a line of Diesel-electric locomotives produced between November 1939 and November 1960 by General Motors Electro-Motive Division and General The EMD F3 was a, B-B Freight -hauling Diesel locomotive produced between July 1945 and February 1949 by General Motors The F2 was in many respects a transitional type between those two; it kept the 1350hp (1000 kW) 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 built, making this the least built of all the F-unit variants. An A unit, in Railroad terminology is a Locomotive (generally a diesel or Electric locomotive) equipped with a driving Cab, A "B" unit in railroad terminology, is a Locomotive unit (generally a Diesel locomotive) which does not have a driving Cab, or crew compartment
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. Radiators and convectors are types of Heat exchangers designed to transfer Thermal energy from one medium to another for the purpose of cooling 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. See also Electric vehicle, Electric motor A traction motor is a type of Electric motor used to power the driving wheels of a vehicle such as An electric motor uses Electrical energy to produce Mechanical energy. Power for these accessories was produced by a new D14 three phase alternator built into the main DC generator, called a "companion alternator". This article deals with the basic mathematics and principles of three-phase electricity alternator is an electromechanical device that converts mechanical energy to Alternating current electrical energy This device has been used in all later EMD road locomotives to the present.
Original Buyers
| Owner | Cab-equipped 'A' units | Cabless booster 'B' units |
|---|---|---|
| Alabama Great Southern Railroad | 2 | |
| Atlantic and East Carolina Railway | 2 | |
| Atlantic Coast Line | 12 | 12 |
| Boston and Maine Railroad | 18 | 3 |
| Chicago, Burlington and Quincy Railroad | 10 | |
| Chicago, Rock Island and Pacific Railroad | 12 | |
| Minneapolis and St. Louis Railway | 2 | 1 |
| New York Central Railroad | 2 | |
| Ferrocarriles Nacionales de México | 14 | 14 |
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