The CNR CKD8 is a diesel-electric locomotive 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, N ...

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 Operadora Ferroviaria Sociedad del Estado (abbreviated SOFSE; trading name: Trenes Argentinos Operaciones) is an Argentine state-owned company created in 2008 to operate passenger services in Argentina. It is a subsidiary of the Ferrocarriles Ar ...

, a subsidiary of Ferrocarriles Argentinos S.E. The CKD8G variant is used primarily on the Roca and Sarmiento railways, while the faster CKD8H is used on the San Martín 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 A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either directi ...

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 As used in mechanical engineering, the term tractive force can either refer to the total traction a vehicle exerts on a surface, or the amount of the total traction that is parallel to the direction of motion. In railway engineering, the term tr ...

. Both have six axles with independent traction engines on each one and have both air and dynamic braking 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 is estimated to be just under US$2 million. The locomotives are operated by

and used on the

, Roca, Sarmiento, and San Martín 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 San Miguel de Tucumán (; usually called simply Tucumán) is the capital and largest city of Tucumán Province, located in northern Argentina from Buenos Aires. It is the fifth-largest city of Argentina after Buenos Aires, Córdoba, Argentina, ...

, Rufino, and Rosario, while those departing from Constitución go to points such as Mar del Plata. 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.

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

Technical specifications

Purchase and usage

See also

References