CSR EMU (Argentina)
A CSR EMU at Retiro Mitre railway station
|Manufacturer||CSR Corporation Limited|
|Built at||CSR Sifang Co Ltd.|
|Number under construction||405 cars (third rail) |
500 cars (overhead line)
|Formation||6 cars per trainset (Mitre) |
9 cars per trainset (Sarmiento)
8 cars per trainset (Roca)
|Capacity||60 seats (control car) |
72 seats (passenger car)
|Line(s) served||Mitre, Roca and Sarmiento|
|Car length||22.67 m (74 ft 4 1⁄2 in) (control car) |
21.8 m (71 ft 6 1⁄4 in) (passenger car)
|Width||3.10 m (10 ft 2 in)|
|Height||3.79 m (12 ft 5 1⁄4 in)|
|Doors||3 per side|
|Maximum speed||120 km/h (75 mph)|
|Power output||720 kW (970 hp) per car|
|Power supply||800 V DC Third rail (Mitre and Sarmiento) |
25 kV AC, 50 Hz Overhead line (Roca)
|Track gauge||1,676 mm (5 ft 6 in)|
The CSR EMU is a series of electric multiple unit cars manufactured by CSR Corporation Limited for use on Buenos Aires' commuter rail network. The trains operate on three of the city's lines as of 2015 and 705 cars were manufactured, with each line using a different number of cars per train. They were created for use on lines electrified using both third rail and overhead lines.
By 2013, the rolling stock of Buenos Aires' commuter rail network was ageing and deteriorating rapidly. At the same time, high-profile accidents in Flores and Once in previous years had led the national government to revise the concession-based railway privatisation, which was largely blamed for the deterioration of the network. The government thus decided to intervene, revoking concessions to companies such as Trenes de Buenos Aires and setting up Trenes Argentinos to manage the lines.
This was followed by a series of rolling stock purchases from China CNR Corporation and CSR Corporation Limited (and later some Argentine companies) to replace trains on both diesel and rail segments. For the electrified lines, CSR won the contract to provide the electric multiple units, and an order was placed in January 2013 for 405 cars for the Mitre and Sarmiento lines, with another order for 300 cars for the Roca Line signed in August of that same year.
The acquisition of the CSR rolling stock was also accompanied by a series of works on all three lines, both to accommodate the new trains such as with the electrification of the Buenos Aires - La Plata segment on the Roca Line, but also general improvements. On top of the emergency improvements undertaken following the Once Tragedy, some of these improvements included the modernisation of stations, raising the height of platforms to match the new trains, incorporating train protection systems, creating new underpasses and rail infrastructure improvements, some of which were also undertaken by the City of Buenos Aires. However, not all works were finished by the time the CSR EMUs arrived on their respective lines, and some works continued on while they were already functioning.
A further 200 cars were purchased for the Roca Line in 2017 to replace the aging Toshiba EMUs which had exceeded their 30-year lifespan.
The units were built at CSR's Qingdao factory, a large complex with 1,640,000 m2 of covered space. The total cost for the 709 cars was $841 million, which also included R&D as well as shipping, or $1.09 million to $1.27 million per car depending on the line, which was noted as being significantly below market prices. In 2014, CSR then purchased the Argentine rolling stock manufacturer Emprendimientos Ferroviarios, in part to establish a place in Argentina to maintain the trains once they were in operation.
The trains have a series of features in line with modern rolling stock, such as ABS, air conditioning, CCTV, a train protection system and intelligent doors, while numerous compenents such as the brakes and traction system were sourced from countries such as Germany, Sweden and Japan. There are very minor differences with the Roca Line trains, and the most major difference is the overhead collection which runs at a different voltage. The trains began to arrive in February 2014, just 13 months after the order was signed.
The electric multiple units are used on all of Buenos Aires' electrified commuter rail lines, with the exception of the Urquiza Line which uses Japanese Toshiba EMUs. The Belgrano Sur line had diesel multiple units with a similar appearance to the CSR electric multiple units purchased, which began arriving in the country in 2015. The San Martín Line also saw new rolling stock from CSR, but in the form of CSR SDD7 diesel-electric locomotives, while the Belgrano Norte line has seen the incorporation of Argentine-built EMEPA DMUs.
The Sarmiento Line was the first to begin operating the CSR trains in July 2014, followed by the Mitre Line and lastly the Roca Line. In the case of the Mitre and Sarmiento lines, the CSR EMUs make up the entirety of the electric rolling stock, while diesel segments such as the Victoria - Capilla del Señor route on the Mitre Line are managed by Argentine-built Materfer CMM 400-2 DMUs. The first Roca Line trains began arriving in 2015, continuing to arrive throughout the year, and began to be integrated in June of that year, however these will serve alongside the existing Toshiba rolling stock purchased in 1985 in this case.
|Wikimedia Commons has media related to CSR EMU (Argentina).|
- CSR SDD7 - Locomotive manufactured by the same company for the San Martin Line
- CNR CKD8 - Other Chinese rolling stock in Argentina
- CITIC-CNR - Chinese underground cars for the Buenos Aires Underground
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