What does EMD stand for in locomotives?

What does EMD stand for in locomotives?

Electro-Motive Diesel
Electro-Motive Diesel

Trade name Electro-Motive Diesel (EMD)
Headquarters La Grange, Illinois , United States
Products Locomotives Diesel engines OEM parts
Services Locomotive maintenance Locomotive management Training
Number of employees 3,260 (2008)

What is the unit of EMD?

EMD E-units were a line of passenger train diesel locomotives built by the General Motors Electro-Motive Division (EMD) and its predecessor the Electro-Motive Corporation (EMC).

What is the difference between a GP7 and an GP9?

According to original “Diesel Spotters Guide” on pg. EMD-25, “The GP-7 has three or four louvers below the cab and two vertical rows of louvers under the radiator shutters at the far end of the long hood. The GP-9 has one or no louver beneath the cab, and lacks the two vertical rows under the radiator shutters.

What is the full form of EMD locomotive?

Electro-Motive Diesel (EMD) is a manufacturer of diesel-electric locomotives and locomotive products. The company is headquartered in La Grange, Illinois, United States.

How does an EMD locomotive work?

The ignition of diesel fuel pushes pistons connected to an electric generator. The resulting electricity powers motors connected to the wheels of the locomotive. A “diesel” internal combustion engine uses the heat generated from the compression of air during the upward cycles of the stroke to ignite the fuel.

Who made the F7 locomotive?

General Motors
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).

Does GM build locomotives?

GM subsidiaries made refrigerators, airplane engines and quirky Swedish cars. They also made locomotives — and they’re largely responsible for the transition from steam locomotives to diesels on America’s railroads.

Who builds GE locomotives?

All Aboard: GE Merges Its Storied Locomotive Business With Wabtec In A Deal Valued At Approximately $11.1 Billion | GE News.

When was the EMD GP7 diesel locomotive made?

The EMD GP7 is a four-axle (B-B) road switcher diesel-electric locomotive built by General Motors Electro-Motive Division and General Motors Diesel between October 1949 and May 1954.

What kind of power does an EMD GP7 have?

Power was provided by an EMD 567B 16-cylinder engine which generated 1,500 horsepower (1,119 kW). The GP7 was offered both with and without control cabs, and those built without control cabs were called a GP7B.

What was the first EMD locomotive called Geeps?

Following the tremendous sales performance of the GP7, the series affectionately became known as “Geeps,” and the GP9 simply followed in that success. Until the release of the GP7 EMD was lagging far behind the other locomotive builders, particularly the American Locomotive Company (Alco) and its early RS models.

What was the weight of the EMD GP9?

It also offered a new traction motor, the model D37 although tractive effort ratings remained the same; 65,000 pounds starting and 40,000 pounds continuous. The GP9 also weighed slightly less at just 120 tons while increasing its length to just over 56 feet..