CNR CKD8

The CNR CKD8 is a 2,949 hp diesel-electric locomotive manufactured by China CNR Corporation from 2013 onwards for use in Argentina by Trenes Argentinos, a subsidiary of Ferrocarriles Argentinos. The CKD8G variant is used primarily on the General Roca Railway and Sarmiento Railway, while the faster CKD8H is used on the General San Martín Railway and General Mitre Railway.

CNR CKD8 locomotive
A Trenes Argentinos CNR CKD8G on the General Roca Railway
Type and origin
Power typeDiesel-electric
BuilderChina CNR Dalian Loco,
Build date2013-
Specifications
Gauge5 ft 6 in (1,676 mm)
Prime moverMTU 4000R43
Engine typeV16 Diesel
Cylinders16
Performance figures
Maximum speedCKD8G: 120 km/h (75 mph)
CKD8H: 160 km/h (99 mph)
Power output2,949 hp (2.2 MW)

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.[1][2]

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.[3]

Purchase and usage
Interior of a Trenes Argentinos carriage.

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.[4]

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, Tucuman, Rufino and Rosario, while those departing from Constitucion railway station go to places such as Mar del Plata.[5]

In November 2014 the Nigerian Government signed a contract with CRRC for refurbishment on the Abuja-Kaduna railway.[6][7] The locomotives were delivered on the 15 January, 2018.[8]

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See also

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 - 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.

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