CNR CKD8G
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The CNR CKD8 is a diesel-electric
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 ...
manufactured by
China CNR Corporation China CNR Corporation Limited (CNR) was a primary manufacturer of locomotives and rolling stock for the Chinese market. The company has also exported to over 80 countries and regions, including Argentina, Australia, Brazil, France, Hong Kong, Ne ...
from 2013 onwards for use in
Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...
by state-owned Trenes Argentinos, a subsidiary of Ferrocarriles Argentinos S.E. The CKD8G variant is used primarily on the Roca and
Sarmiento Sarmiento may refer to: Places Argentina *Sarmiento Department, San Juan, a subdivision of the San Juan Province *Sarmiento Department, Santiago del Estero, a subdivision of the Santiago del Estero Province *Sarmiento Department, Chubut, a subdivi ...
railways, while the faster CKD8H is used on the
San Martín San Martín or San Martin may refer to: People Saints * Saint Martin (disambiguation)#People, name of various saints in Spanish Political leaders *Vicente San Martin (1839 -1901), Military, National hero of Mexico. *Basilio San Martin (1849 ...
and
Mitre The mitre (Commonwealth English) (; Greek: μίτρα, "headband" or "turban") or miter (American English; see spelling differences), is a type of headgear now known as the traditional, ceremonial headdress of bishops and certain abbots in ...
railways.


Technical specifications

The locomotive has one conductor's cabin on each end, connected by an internal corridor. Its total weight is 120 tonnes with a maximum weight per axle of 20 tonnes. The four stroke 16V 4000R43 engine is manufactured by
MTU Friedrichshafen MTU Friedrichshafen GmbH is a German manufacturer of commercial internal combustion engines founded by Wilhelm Maybach and his son Karl Maybach in 1909. Wilhelm Maybach was the technical director of Daimler-Motoren-Gesellschaft (DMG), a predec ...
and generates 2200 kW at 1800 RPM. The locomotives are divided into two sub-models, the CKD8G and the CKD8H with the latter having a higher maximum speed and tractive force. Both have six axles with independent traction engines on each one and have both air and
dynamic braking Dynamic braking is the use of an electric traction motor as a generator when slowing a vehicle such as an electric or diesel-electric locomotive. It is termed " rheostatic" if the generated electrical power is dissipated as heat in brake grid r ...
systems.


Purchase and usage

The purchase agreement between the Ministry of Transport of Argentina and China CNR Corporation for 20 locomotives was signed in December 2009. The agreement also included the purchase of 220 long distance passenger carriages, while the total cost of each locomotive which arrived in
Buenos Aires Buenos Aires ( or ; ), officially the Autonomous City of Buenos Aires ( es, link=no, Ciudad Autónoma de Buenos Aires), is the capital and primate city of Argentina. The city is located on the western shore of the Río de la Plata, on South ...
from
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
is estimated to be just under US$2 million. The locomotives are operated by Trenes Argentinos and used on the
Mitre The mitre (Commonwealth English) (; Greek: μίτρα, "headband" or "turban") or miter (American English; see spelling differences), is a type of headgear now known as the traditional, ceremonial headdress of bishops and certain abbots in ...
, Roca,
Sarmiento Sarmiento may refer to: Places Argentina *Sarmiento Department, San Juan, a subdivision of the San Juan Province *Sarmiento Department, Santiago del Estero, a subdivision of the Santiago del Estero Province *Sarmiento Department, Chubut, a subdivi ...
, and
San Martín San Martín or San Martin may refer to: People Saints * Saint Martin (disambiguation)#People, name of various saints in Spanish Political leaders *Vicente San Martin (1839 -1901), Military, National hero of Mexico. *Basilio San Martin (1849 ...
railways. Services departing from
Retiro railway station Retiro is the name of a railway station complex in Buenos Aires, Argentina, that includes three main terminal train stations ( Retiro-Mitre, Retiro-Belgrano and Retiro-San Martín) and two terminal subway stations ( Retiro of Line C and Reti ...
run to the cities of Cordoba, San Miguel de Tucumán, Rufino, and
Rosario Rosario () is the largest city in the central provinces of Argentina, Argentine province of Santa Fe Province, Santa Fe. The city is located northwest of Buenos Aires, on the west bank of the Paraná River. Rosario is the third-most populous ci ...
, while those departing from Constitución go to points such as
Mar del Plata Mar del Plata is a city on the coast of the Atlantic Ocean, in Buenos Aires Province, Argentina. It is the seat of General Pueyrredón district. Mar del Plata is the second largest city in Buenos Aires Province. The name "Mar del Plata" is a s ...
. In November 2014 the Nigerian Government signed a contract with CRRC for refurbishment on the Abuja-Kaduna railway. The locomotives were delivered on the 15 January 2018.


See also

* CSR SDD7 - another Chinese locomotive found in Argentina *
CITIC-CNR The 200 Series is a set of underground cars manufactured by China CNR Corporation and CITIC Construction for use on Line A of the Buenos Aires Underground in Argentina. The cars replace the 100-year-old La Brugeoise cars which operated on the l ...
- underground cars made by the same company for use in Argentina * Trenes Argentinos - operator * Ferrocarriles Argentinos (2015) - operator umbrella company


References

{{Rolling stock manufacturers of Argentina CRRC Dalian locomotives Diesel-electric locomotives of Argentina Railway locomotives introduced in 2013 5 ft 6 in gauge locomotives