DSB class MY
Encyclopedia
The class MY is a series of diesel-electric locomotive
Diesel locomotive
A diesel locomotive is a type of railroad locomotive in which the prime mover is a diesel engine, a reciprocating engine operating on the Diesel cycle as invented by Dr. Rudolf Diesel...

s built in the years 1954–1965 by NOHAB
NOHAB
NOHAB was a manufacturing company in the city of Trollhättan, Sweden.The company was founded by Antenor Nydqvist, Johan Magnus Lidström and Carl Olof Holm in 1847 as Trollhättans Mekaniska Verkstad as a manufacturer of turbines for hydraulic power plants...

. A total of 59 units, numbered 1101–1159, were delivered to the Danish State Railways. Powered by GM-EMD engines, the locomotives represented a significant change in rolling stock policy — motive power had largely been bought inside Denmark for several decades.

History

In the early 50s the DSB was starting to look for a new type of locomotive that could replace the steam
Steam
Steam is the technical term for water vapor, the gaseous phase of water, which is formed when water boils. In common language it is often used to refer to the visible mist of water droplets formed as this water vapor condenses in the presence of cooler air...

 locomotive
Locomotive
A locomotive is a railway vehicle that provides the motive power for a train. The word originates from the Latin loco – "from a place", ablative of locus, "place" + Medieval Latin motivus, "causing motion", and is a shortened form of the term locomotive engine, first used in the early 19th...

 hauled services in Denmark
Denmark
Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...

.

The DSB ordered the first four units which arrived to Elsinore in 1954. The locomotives quickly became very popular among both passenger
Passenger
A passenger is a term broadly used to describe any person who travels in a vehicle, but bears little or no responsibility for the tasks required for that vehicle to arrive at its destination....

s and crew
Crew
A crew is a body or a class of people who work at a common activity, generally in a structured or hierarchical organization. A location in which a crew works is called a crewyard or a workyard...

. The units 1101-1105 and 1145-1159 had a 1700 horsepower
Horsepower
Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

 engine
Engine
An engine or motor is a machine designed to convert energy into useful mechanical motion. Heat engines, including internal combustion engines and external combustion engines burn a fuel to create heat which is then used to create motion...

, whilst the units 1106-1144 had a 1950 horsepower
Horsepower
Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

 engine
Engine
An engine or motor is a machine designed to convert energy into useful mechanical motion. Heat engines, including internal combustion engines and external combustion engines burn a fuel to create heat which is then used to create motion...

.

In their early years, the locomotives worked express-trains (later known as InterCity
InterCity
InterCity is the classification applied to certain long-distance passenger train services in Europe...

) and heavy freight
Cargo
Cargo is goods or produce transported, generally for commercial gain, by ship, aircraft, train, van or truck. In modern times, containers are used in most intermodal long-haul cargo transport.-Marine:...

 services, but in their later years they were transferred to smaller regional
Region
Region is most commonly found as a term used in terrestrial and astrophysics sciences also an area, notably among the different sub-disciplines of geography, studied by regional geographers. Regions consist of subregions that contain clusters of like areas that are distinctive by their uniformity...

 and light freight
Cargo
Cargo is goods or produce transported, generally for commercial gain, by ship, aircraft, train, van or truck. In modern times, containers are used in most intermodal long-haul cargo transport.-Marine:...

 services (which many continues to do for private railways in both Denmark
Denmark
Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...

, Norway
Norway
Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

, Germany
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 and Sweden
Sweden
Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

.

In the 80s and 90s the DSB began to have less and less need for them, and the last ordinary MY-hauled train ran in 2001 - one unit however, 1135, is now a special service locomotive which runs special trains - therefore, the DSB still have MY locos in service. The others have either been scrapped or, as mentioned above, sold to diverse private operators in Norway
Norway
Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

, Germany
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 and Sweden
Sweden
Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

.

A very similar locomotive, the Class MX was equally as popular - and many locomotives similar to the MY in other countries
Country
A country is a region legally identified as a distinct entity in political geography. A country may be an independent sovereign state or one that is occupied by another state, as a non-sovereign or formerly sovereign political division, or a geographic region associated with a previously...

 exist. Among these, the following can be mentioned:
  • The NSB Class Di 3
    NSB Di 3
    NSB Di 3 is a class of 35 diesel-electric locomotives built by Nydqvist och Holm for the Norwegian State Railways . The class was built between 1954 and 1969, and delivered in two series, Di 3a and Di 3b. They are based on the Electro-Motive Division F7 and are equipped with EMD 567 engines...

  • The MÁV
    Hungarian State Railways
    Hungarian State Railways is the Hungarian national railway company, with divisions "MÁV Start Zrt" and "MÁV Cargo Zrt" ....

     Class M61
  • The CFL
    Chemins de Fer Luxembourgeois
    Société Nationale des Chemins de Fer Luxembourgeois is the national railway company of Luxembourg. In 2005, the company carried approximately 14.1 million passengers and 11.7 million tonnes of goods...

     Class 1600
  • The NMBS/SNCB Class 52-54

Preservation

A handful of the MY locomotives have been preserved, several in working order. MY 1101, in original maroon livery, and 1159, in red/black, are both preserved in running order by DSB Museumstog. MY 1112, having one side cut open, and one cab of 1129, are on exhibition in the Danish Railway Museum
Danish Railway Museum
The Danish Railway Museum is the national railway museum of Denmark, located in the city of Odense. Established in 1975, it is situated in a former engine shed adjacent to the city's main railway station...

. MY 1104 was preserved for a number of years by GM-Gruppen
GM-Gruppen
GM-Gruppen is a Norwegian heritage railway society that restores and operates Scandinavian operated diesel locomotives from General Motors Electro-Motive Division...

 in Norway, but is now in the railway museum in Struer
Struer, Denmark
Struer is the main town of the kommune of Struer, Region Midtjylland, Denmark with a population of 10,572 .The town of Struer owes its growth to the railroad, which arrived in 1865 with Jutland's first railroad line from Århus/Randers over Viborg to Skive and Struer...

. 1126, in special decorative livery, is under the care of Jysk Veterantog under the Danish Railway Club (DJK).

External links

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