EMD G22CU
Encyclopedia
The EMD G22CU is a narrow gauge diesel-electric 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...

 designed and built by the Electro-Motive Division of General Motors. It was manufactured by several licensees, and exported to many countries including Argentina
Argentina
Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

, Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

, Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

, Egypt
Egypt
Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

, Iran
Iran
Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

, New Zealand
New Zealand
New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

, Nigeria
Nigeria
Nigeria , officially the Federal Republic of Nigeria, is a federal constitutional republic comprising 36 states and its Federal Capital Territory, Abuja. The country is located in West Africa and shares land borders with the Republic of Benin in the west, Chad and Cameroon in the east, and Niger in...

, Pakistan
Pakistan
Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

, South Korea
South Korea
The Republic of Korea , , is a sovereign state in East Asia, located on the southern portion of the Korean Peninsula. It is neighbored by the People's Republic of China to the west, Japan to the east, North Korea to the north, and the East China Sea and Republic of China to the south...

, Yugoslavia
Yugoslavia
Yugoslavia refers to three political entities that existed successively on the western part of the Balkans during most of the 20th century....

 and Republic of China (Taiwan)
Republic of China
The Republic of China , commonly known as Taiwan , is a unitary sovereign state located in East Asia. Originally based in mainland China, the Republic of China currently governs the island of Taiwan , which forms over 99% of its current territory, as well as Penghu, Kinmen, Matsu and other minor...

 (countries with more than 20 units).

Overview

G22 locomotives were first built in 1967 with the export markets in mind. For that reason they carried a low per-axle weight. The CU version sports a C-C traction motors configuration, and 1-meter gauge. Its main engine is an EMD 12-645
EMD 645
The EMD 645 family of diesel engines was designed and manufactured by the Electro-Motive Division of General Motors. Intended primarily for locomotive, marine and stationary engine use, one 16-cylinder version powered the 33-19 "Titan" prototype haul truck designed by GM's Terex...

. They were produced at the General Motor
General Motors
General Motors Company , commonly known as GM, formerly incorporated as General Motors Corporation, is an American multinational automotive corporation headquartered in Detroit, Michigan and the world's second-largest automaker in 2010...

's Electro-Motive Diesel plants at La Grange
La Grange, Illinois
La Grange, a suburb of Chicago, is a village in Cook County, in the U.S. state of Illinois. The population was 15,608 at the 2000 census.-History:...

 and London
London, Ontario
London is a city in Southwestern Ontario, Canada, situated along the Quebec City – Windsor Corridor. The city has a population of 352,395, and the metropolitan area has a population of 457,720, according to the 2006 Canadian census; the metro population in 2009 was estimated at 489,274. The city...

 -Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

-, as well at plants -under license- in other countries, including Argentina
Argentina
Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

 and Spain
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

.

Argentina


In 1971 Ferrocarriles Argentinos
Ferrocarriles Argentinos
Ferrocarriles Argentinos was a public company that managed the entire Argentine railway system for nearly 45 years. It was formed in 1948 when all the private railway companies were nationalised during Perón's first presidential term, and transformed into the Empresa de Ferrocarriles del Estado...

 bought 250 locomotives from General Motors, including G22 and GT22 models. 96 of them where delivered to the Ferrocarril Gral. Manuel Belgrano
Ferrocarril General Manuel Belgrano
Ferrocarril General Manuel Belgrano , named after the Argentine politician and military leader Manuel Belgrano, was one of the six state-owned Argentine railway companies formed after President Juan Perón's nationalisation of the railway network in 1948...

 line, so they were the CU version, adapted to its 1-meter gauge. Belgrano Norte line received 20 built at La Grange
La Grange, Illinois
La Grange, a suburb of Chicago, is a village in Cook County, in the U.S. state of Illinois. The population was 15,608 at the 2000 census.-History:...

, while Belgrano Sur line received 5 produced at London -Canada-
London, Ontario
London is a city in Southwestern Ontario, Canada, situated along the Quebec City – Windsor Corridor. The city has a population of 352,395, and the metropolitan area has a population of 457,720, according to the 2006 Canadian census; the metro population in 2009 was estimated at 489,274. The city...

 The remaining ones where built by Astarsa
Astarsa
Astilleros Argentinos Río de La Plata S.A. was an argentinian shipyard. Its core business was built and repair of ships and locomotives. It also manufactured pipes, industrial machinery, and tractors...

 at San Fernando -Buenos Aires-
San Fernando, Buenos Aires
San Fernando de la Buena Vista is a city in the Gran Buenos Aires, in Argentina, and capital of the San Fernando Partido, north of the city of Buenos Aires.- Geographic Data:...

.

At first they were assigned to the suburban passenger service in Buenos Aires. Afterwards many of them were sent to the northern part of the country, where they ran services among several cities including Salta
Salta
Salta is a city in northwestern Argentina and the capital city of the Salta Province. Along with its metropolitan area, it has a population of 464,678 inhabitants as of the , making it Argentina's eighth largest city.-Overview:...

, Resistencia
Resistencia
Resistencia may refer to:* Resistencia, Chaco, a city in Argentina* Resistencia International Airport , an airport in Chaco Province, Argentina* Resistencia Civil, Civil resistance* La Resistencia, a 1972 Argentine film...

, Embarcación, Formosa
Formosa
Formosa or Ilha Formosa is a Portuguese historical name for Taiwan , literally meaning, "Beautiful Island". The term may also refer to:-Places:* Formosa Strait, another name for the Taiwan Strait...

 and Tucumán. When Ferrocarriles Argentinos
Ferrocarriles Argentinos
Ferrocarriles Argentinos was a public company that managed the entire Argentine railway system for nearly 45 years. It was formed in 1948 when all the private railway companies were nationalised during Perón's first presidential term, and transformed into the Empresa de Ferrocarriles del Estado...

 was dismembered and privatised at the beginning of 90s, these locomotives were handed over to several different companies including Ferrovias
Ferrovías
Ferrovías S.A.C. is a privately owned company which, on 1 April 1994, took over the concession, granted by the Argentine government as part of railway privatisation during the presidency of Carlos Menem, for the operation of the 1,000 mm metre gauge Belgrano Norte Line commuter rail service in...

 (Buenos Aires northern local line), Metropolitano
Metropolitano
Metropolitano S.A. was a privately owned consortium formed in 1994 to take over concessions granted by the Argentine government, through the state-owned company FEMESA as part of railway privatisation during the presidency of Carlos Menem for the operation of commuter rail services in Buenos Aires...

 (Buenos Aires southern local line, now taken by UGOFE) and Belgrano Cargas
Belgrano Cargas
Belgrano Cargas S.A. is a company which operates a gauge freight rail network in Argentina, built by the state-owned Ferrocarril Central Norte and the French-owned Ferrocarril Provincial de Santa Fe, which became part of Ferrocarril General Manuel Belgrano after railway nationisation in 1948...

 (long-distance freight service).

As of 2009 many of them are still in service for Belgrano Norte line
Línea Belgrano Norte (Buenos Aires)
The Belgrano Norte line is a commuter rail service in Buenos Aires, Argentina run by the private company Ferrovías since 1 April 1994. This service had previously been run by the state-owned Ferrocarril General Manuel Belgrano since nationalisation of the railways in 1948...

, Belgrano Sur line
Línea Belgrano Sur (Buenos Aires)
The Belgrano Sur line is a commuter rail service in the city of Buenos Aires, Argentina run by the private company Transportes Metropolitanos Belgrano Sur S.A. , a subsidiary of Metropolitano, between 1 May 1994 and 22 May 2007...

 and Belgrano Cargas
Belgrano Cargas
Belgrano Cargas S.A. is a company which operates a gauge freight rail network in Argentina, built by the state-owned Ferrocarril Central Norte and the French-owned Ferrocarril Provincial de Santa Fe, which became part of Ferrocarril General Manuel Belgrano after railway nationisation in 1948...

.

Brazil

The Brazilian railways company, RFFSA
RFFSA
The Rede Ferroviária Federal, Sociedade Anônima was the state-owned national railway company of Brazil. It was created in 1957, and dissolved between 1999–2007.-Constituent Railways:...

, acquired 24 G22CUs -produced in Spain
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

 by Materiales y Construcciones SA
MACOSA
Material y Construcciones S.A. or MACOSA was a Spanish heavy-engineering company, mainly producing products for the rail industry. From 1989 onwards the organisation was named Meinfesa and became part of the GEC-Alstom group of companies, until 2005 when it became part of the Vossloh group as...

 under license- in 1971. They were put in service at the Division #13 Rio Grande do Sul, serving the states of Paraná
Paraná (state)
Paraná is one of the states of Brazil, located in the South of the country, bordered on the north by São Paulo state, on the east by the Atlantic Ocean, on the south by Santa Catarina state and the Misiones Province of Argentina, and on the west by Mato Grosso do Sul and the republic of Paraguay,...

, Santa Catarina
Santa Catarina (state)
Santa Catarina is a state in southern Brazil with one of the highest standards of living in Latin America. Its capital is Florianópolis, which mostly lies on the Santa Catarina Island. Neighbouring states are Rio Grande do Sul to the south and Paraná to the north. It is bounded on the east by...

 and Rio Grande do Sul
Rio Grande do Sul
Rio Grande do Sul is the southernmost state in Brazil, and the state with the fifth highest Human Development Index in the country. In this state is located the southernmost city in the country, Chuí, on the border with Uruguay. In the region of Bento Gonçalves and Caxias do Sul, the largest wine...

. Due to RFFSA privatisation 21 of the locomotives (the others were already retired) where transferred to Ferrovia Sul Atlântico SA, which aftewards became part of ALL.

Taiwan (Republic of China)

In order to improve the hauling efficacy, Taiwan Railway Administration
Taiwan Railway Administration
The Taiwan Railway Administration is an agency of the Ministry of Transportation and Communications of the Republic of China responsible for managing, maintaining, and running passenger and freight service on 1097 km of conventional railroad lines in Taiwan...

 bought 20 G22CU from GM-EMD IN 1973. They were named the "R150" series and numbered from R151 to R170 (EMD serial: 712755-712764 and 713120-713129). All the R150 series arrived Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

 between 1973 and 1974. In 1982, five more G22CU (R171-R175, EMD serial: 818016-1 to 818016-5) were purchased. Currently, their main arena is the East-Trunk Line (東部幹線, from Badu Station
Badu Station
The Badu Station is a railway station of Taiwan Railway Administration Western Line, Yilan Line located at Keelung City, Taiwan.- Nearby stations :Taiwan Railway Administration...

 to Taitung Station
Taitung Station
The Taitung Station‎ is a railway station of Taiwan Railway Administration Hwa-tung Line, South-Link Line located at Taitung City, Taiwan.- Nearby stations :- External links :**...

, including the Yilan Line, North-Link Line
North-Link Line
The North-Link Line is the central section of the Eastern Line of the Taiwan Railway Administration. It has a total length of 86.6 km, including the 7.4 km segment between Beipu and Hualien Port. -History:...

, and Taitung Line).

One of the locomotives, R164, was removed from service after an accident in 2001.

Related locomotives

These locomotives are very similar to G22CW, which are standard or broad gauge, and to GM GT22 Series, which are turbocharged.
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