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CNR CKD8 locomotive
A Trenes Argentinos CNR CKD8G at Mar del Plata station
Type and origin Power type Diesel-electric Builder China CNR Dalian Loco, Build date 2013-
Specifications Gauge 5 ft 6 in (1,676 mm) Prime mover MTU 4000R43 Engine type V16 Diesel Cylinders 16
Performance figures Maximum speed CKD8G: 120 km/h (75 mph) CKD8H: 160 km/h (99 mph) Power output 2,949 hp (2.2 MW)

The CNR CKD8 is a 2,949 hp (2.2 MW) diesel-electric locomotive manufactured by China CNR Corporation from 2013 onwards for use in Argentina by state-owned Trenes Argentinos, 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 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 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 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 from China is estimated to be just under US$2 million.

The locomotives are operated by Trenes Argentinos and used on the Mitre, Roca, Sarmiento, and San Martín railways. Services departing from Retiro railway station run to the cities of Cordoba, San Miguel de Tucumán, 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.

See also

• CSR SDD7 - another Chinese locomotive found in Argentina
• CITIC-CNR - underground cars made by the same company for use in Argentina
• Trenes Argentinos - operator
• Ferrocarriles Argentinos (2015) - operator umbrella company

References

1. MTU engines powering Chinese-built locomotives in Argentina Archived 2014-03-04 at the Wayback Machine - MTU, 03 July, 2013
2. Apuntes sobre el material rodante chino Archived 2015-05-15 at the Wayback Machine - Entrevias, 17 December 2013
3. Product Information Archived 2015-09-23 at the Wayback Machine - CNR
4. Boletin Oficial
5. Material de larga distancia, ¿insuficiente? - EnElSubte, 6 May 2015
6. "China signs its biggest overseas contract with US$12b Nigeria railway deal". South China Morning Post. 20 November 2014. Retrieved 15 January 2018.
7. "Nigerian Government approves Kano-Kaduna rail project". 30 January 2017. Retrieved 15 January 2018.
8. "#Nigerian president Muhammadu Buhari inaugurated and cut the ribbon for the newly purchased #locomotives for the Abuja-Kaduna railway in Kaduna on 1/4. The newly purchased cars are all from #CRRC, and the new train's top speed will reach 150km/h from the original 90km/h". Twitter. Retrieved 15 January 2018.

• CRRC Dalian locomotives
• Diesel–electric locomotives of Argentina
• Railway locomotives introduced in 2013
• 5 ft 6 in gauge locomotives