The EMD G22CU is a

metre gauge Metre-gauge railways are narrow-gauge railways with track gauge of or 1 metre. The metre gauge is used in around of tracks around the world. It was used by European colonial powers, such as the French, British and German Empires. In Europe, la ...

locomotive A locomotive or engine is a rail transport vehicle that provides the Power (physics), motive power for a train. If a locomotive is capable of carrying a payload, it is usually rather referred to as a multiple unit, Motor coach (rail), motor ...

designed and built by the Electro-Motive Division of General Motors. It was manufactured by several licensees, and exported to many countries including

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Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

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Nigeria Nigeria ( ), , ig, Naìjíríyà, yo, Nàìjíríà, pcm, Naijá , ff, Naajeeriya, kcg, Naijeriya officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf o ...

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Yugoslavia Yugoslavia (; sh-Latn-Cyrl, separator=" / ", Jugoslavija, Југославија ; sl, Jugoslavija ; mk, Југославија ;; rup, Iugoslavia; hu, Jugoszlávia; rue, label=Pannonian Rusyn, Югославия, translit=Juhoslavija ...

and

Taiwan (ROC) Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeas ...

(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. They were produced at the General Motor's Electro-Motive Diesel plants at La Grange and

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-, as well at plants -under license- in other countries, including

and

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Argentina

In 1972 Ferrocarriles Argentinos bought 250 locomotives from

Electro Motive Division 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. The company is owned by Caterpillar through its sub ...

General Motors The General Motors Company (GM) is an American Multinational corporation, multinational Automotive industry, automotive manufacturing company headquartered in Detroit, Michigan, United States. It is the largest automaker in the United States and ...

, including G22 and GT22 models. 96 of them where delivered to the Ferrocarril Belgrano line, so they were the CU version, adapted to its 1-meter gauge.

Belgrano Norte line 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 General Belgrano Railway since nationalisation of the ...

received 20 built at La Grange, while

Belgrano Sur line The Belgrano Sur line is an Argentine commuter rail service in the Greater Buenos Aires area, currently operated by state-owned enterprise Trenes Argentinos. The Belgrano Sur runs over tracks and through stations built by the Franco–Belgian-ow ...

received 5 produced at London -Canada-. The remaining ones were built by

Astarsa Astilleros Argentinos Río de La Plata S.A. (mostly known for its acronym ASTARSA, which can be roughly translated as ''Argentine Shipyards of Río de la Plata'') was an Argentine shipyard. Its core business was building and repairing ships and ...

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

. 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 () is the capital and largest city in the Argentine province of the same name. With a population of 618,375 according to the 2010 census, it is also the 7th most-populous city in Argentina. The city serves as the cultural and economic ce ...

, Resistencia, Embarcación,

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and Tucumán. When Ferrocarriles Argentinos was dismembered and privatised at the beginning of the 1990s, these locomotives were handed over to several different companies including

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 (3 ...

(Buenos Aires northern local line), Metropolitano (Buenos Aires southern local line, then taken by UGOFE) and

Belgrano Cargas Belgrano Cargas S.A. was an Argentine State-owned company which operated the gauge freight rail network built by Central Northern and Province of Santa Fe Railways, which became part of Belgrano Railway network after railway nationalization o ...

(long-distance freight service). As of 2015 many of them are still in service for Belgrano Norte and Belgrano Sur lines and State-owned freight company,

.Moscaro, Alejandro (2009). "Las General Motors G-22 (Parte 1)", Tren Rodante, 122 -2009, March-(5).Moscaro, Alejandro (2009). "Las General Motors G-22 (Parte 2)", Tren Rodante, 123 -2009, April-(9).

Brazil

The Brazilian railways company,

RFFSA The Rede Ferroviária Federal, Sociedade Anônima (RFFSA, pronounced as ''Refesa'') () was the State-owned national railway company of Brazil created from ''Brazilian Federal Law #3.115'' on March 16, 1957, after several railroads were nationaliz ...

, acquired 24 G22CUs -produced in

by Materiales y Construcciones SA under license- in 1971. They were put in service at the Division #13 Rio Grande do Sul, serving the states of Paraná, Santa Catarina and

Rio Grande do Sul Rio Grande do Sul (, , ; "Great River of the South") is a Federative units of Brazil, state in the South Region, Brazil, southern region of Brazil. It is the Federative_units_of_Brazil#List, fifth-most-populous state and the List of Brazilian st ...

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

ALL All or ALL may refer to: Language * All, an indefinite pronoun in English * All, one of the English determiners * Allar language (ISO 639-3 code) * Allative case (abbreviated ALL) Music * All (band), an American punk rock band * ''All'' (All al ...

.Wikipedia Portuguese G22 article, :pt:EMD G22CU. Retrieved 31 August 2009.

Taiwan

TRA R155 with Chu-kuang Express into Zhixue Station 20060708

In order to improve the hauling efficacy, Taiwan Railway Administration 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).UNofficial EMD Homepage G22CU orders
Retrieved 10 June 2010. All the R150 series arrived

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...

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 () is a railway station at the junction of the Taiwan Railways Administration West Coast line and the Yilan line. It is the western terminus of the Yilan line and is located in Nuannuan District, Keelung, Taiwan. History The st ...

Taitung Station Taitung () is a railway station of Taiwan Railways Administration. It lies at the junction of the Hualien-Taitung line and the South-link line in Taitung City, Taitung County, Taiwan. History During the construction work of the back part of Taitu ...

, including the Yilan Line,

North-Link Line The North-Link Line () is the central section of the Eastern Line of the Taiwan Railways Administration. The length of its mainline is 79.2 km, and there is a 7.4 km long branch between Beipu and Hualien Port. History The high mountai ...

, and

Taitung Line The Taitung Line (), also known as the Hua-Tung line (), is the southern section of the Eastern Line of the Taiwan Railways Administration. The line starts at the Hualien station and ends at the Taitung station. It is 161.5 km long, includ ...

). One of the locomotives, R164, was removed from service after an accident in 2001.Wikipedia (Chinese Traditional): TRA R150 Series Diesel-Electric Locomotive (臺鐵R150型柴電機車), :zh-tw:臺鐵R150型柴電機車. Retrieved 9 June 2010.

Related locomotives

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

References