CSR SDD7
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The CSR SDD7 is a 2,249 hp diesel-electric
locomotive A locomotive or engine is a rail transport vehicle that provides the 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, railcar or power car; the ...
manufactured by
CSR Corporation Limited CSR Corporation Limited (CSR), formerly known as China South Locomotive & Rolling Stock Corp was a Chinese manufacturer of locomotive and rolling stock. In 2015, the company merged with China CNR to form CRRC. History In 2007 the China Sout ...
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 List of South American countries by area, second-largest ...
by
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. On the San Martín Line in
Buenos Aires Province Buenos Aires (), officially the Buenos Aires Province (''Provincia de Buenos Aires'' ), is the largest and most populous Argentine province. It takes its name from the city of Buenos Aires, the capital of the country, which used to be part of th ...
, 24 of these locomotives are used, making up the entire rolling stock of the commuter rail line.


Technical specifications

The locomotive has one conductor's cabin on each end, connected by an internal corridor. Its total weight is 114 tonnes with a maximum weight per axle of 19 tonnes. The 3516B engine is manufactured by
Caterpillar Caterpillars ( ) are the larval stage of members of the order Lepidoptera (the insect order comprising butterflies and moths). As with most common names, the application of the word is arbitrary, since the larvae of sawflies (suborder Sy ...
and generates 1678 kW, with the locomotive having a maximum speed of 120 km/h. Each axle has an independent traction motor, which are controlled by two
microprocessor A microprocessor is a computer processor where the data processing logic and control is included on a single integrated circuit, or a small number of integrated circuits. The microprocessor contains the arithmetic, logic, and control circ ...
s. Each locomotive has a 6000-litre fuel capacity, carries 420 kg of lubricants, 800 litres of water and 400 kg of sand in its sandboxes.


Usage

In Argentina, the locomotives are used exclusively for the San Martín Line of the
General San Martín Railway The General San Martín Railway (FCGSM) (Spanish: Ferrocarril General San Martín), named after the former Argentine general José de San Martín, was one of the six state-owned Argentine railway companies formed after President Juan Perón's ...
. Despite there being plans for electrification, the 24 trains make up the entirety of the line's rolling stock. During the integration of this new rolling stock, the stations on the lines were also modernised and restored. As of 2015, the electrification of the line is being considered, which would mean the rolling stock would be moved elsewhere. In 2018 Transmashholding Argentina was awarded a contract to refurbish and update the locomotives and their respective carriages.


Gallery

File:CSR SDD7 (Devoto).webm, CSR train arriving in Devoto station File:Locomotora en Cabred.JPG, Locomotive doing maneuvers in Cabred File:Provincia de Buenos Aires - Olivos - Formación CSR ingresando a estación Olivos.JPG, A train arriving at Olivos station File:Trains_(24556519742).jpg, Two units in Buenos Aires


See also

* CNR CKD8 *
CSR EMU (Argentina) The CSR EMU is a series of electric multiple unit cars manufactured by CSR Corporation Limited for use on Buenos Aires' commuter rail network. As of 2015, the trains operated on three of the city's lines and 705 cars were manufactured, with eac ...
*
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 ...
* Ferrocarriles Argentinos (2015)


References


External links


SDD7 Diesel Locomotive
at CSR website {{Rolling stock manufacturers of Argentina CRRC Group Diesel-electric locomotives of Argentina Articles containing video clips Railway locomotives introduced in 2013 5 ft 6 in gauge locomotives