What does F mean on a locomotive?
F-units were originally designed for freight service, although many without steam generators (for steam-heating passenger cars) pulled short-distance, mainly daytime, passenger trains. Almost all F-units were B-B locomotives, meaning that they ran on two Blomberg B two-axle trucks with all axles powered.
What is an F7 locomotive?
The EMD F7 is a 1,500 horsepower (1,100 kW) Diesel-electric locomotive produced between February 1949 and December 1953 by the Electro-Motive Division of General Motors (EMD) and General Motors Diesel (GMD).
What is the difference between an F3 and F7?
There is no easily identifiable differences between late F3 production and early F7 production; the major differences were all internal electrical system changes. However, no F7 had the “chicken wire” grilles of most F3s, and no F3s had the later F7 changes described below under Phases.
What does EMD locomotive stand for?
Electro-Motive Diesel
Progress Rail Locomotives, doing business as Electro-Motive Diesel (EMD) is an American manufacturer of diesel-electric locomotives, locomotive products and diesel engines for the rail industry.
How much can a 9F pull?
The 9F was designed at both Derby and Brighton Works in 1951 to operate freight trains of up to 900 tons (914 tonnes) at 35 mph (56 km/h) with maximum fuel efficiency.
What is a Warbonnet locomotive?
“Warbonnet” is primarily a railfan term; Santa Fe employees normally referred to these locomotives by the less romantic and more descriptive term “red nose.” Santa Fe’s Super Chief, an all stainless steel streamliner running between Chicago and Los Angeles, was America’s most famous and finest train.
When was the first diesel electric train?
The first successful diesel switch engine went into service in 1925; “road” locomotives were delivered to the Canadian National and New York Central railroads in 1928. The first really striking results with diesel traction were obtained in Germany in 1933.
What is the difference between F7 and F9 locomotive?
A F9 can be distinguished reliably from a late F7 only by the addition of an extra filter grille ahead of the front porthole on the side panels on A units. Internally, the use of an 567C prime mover increased power to 1,750 hp (1.30 MW) from the F7’s 1,500 hp (1.12 MW).
Where is Evening Star locomotive?
The mighty 9F locomotive based at the line, No. 92214, is taking on a new identity as famous classmate No. 92220 ‘Evening Star’. The real ‘Evening Star’ still exists and is on display at the National Railway Museum in York.
What kind of locomotive was the EMD F7?
Although originally promoted by EMD as a freight -hauling unit, the F7 was also used in passenger service hauling such trains as the Santa Fe Railway ‘s Super Chief and El Capitan . The F7 was the fourth model in GM-EMD’s successful line of F-unit locomotives, and by far the best-selling cab unit of all time.
Which is the best selling EMD cab locomotive?
The F7 was the fourth model in GM-EMD’s successful line of F unit locomotives, and by far the best-selling cab unit of all time. In fact, more F7s were built than all other F units combined. It succeeded the F3 model in GM-EMD’s F unit sequence, and was replaced in turn by the F9.
Where is the western Pacific Railroad EMD F7A located?
F7A #1189, a Phase II built in 1953 for the Wabash Railroad. It is located at the Monticello Railway Museum in Illinois. Western Pacific Railroad #913, on display at the California State Railroad Museum in Sacramento, California .
How does EMD keep track of a locomotive?
EMD used no such identification, and instead kept track of the marketing name (F7) and individual locomotives’ build numbers. During the production cycle of a model, EMD would often make detail changes that were not readily apparent to the casual observer.