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CSR Corporation Limited SDD7
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Argentina | 2013
24 produced
B970 in April 2014 in Devoto on the way to Buenos Aires
B970 in April 2014 in Devoto on the way to Buenos Aires
ProfesorFavalli

The SDD7 is a broad-gauge passenger locomotive built by CSR in China for Trenes Argentinos. 24 were delivered from 2013 for use with commuter trains on the San Martín Line. Using the old Buenos Aires & Pacific trackage, this line starts in Buenos Aires and goes 70 km to the north-west. The locomotives have a weight of 114 tonnes spread over six axles and are being powered by a Caterpillar 3516B with 1,678 kW or 2,250 hp. Power is being transmitted via six DC traction motors, providing a starting tractive effort of 320 kN and a top speed of 120 km/h. So far there is only a short text for this vehicle. In the future it will be described in more detail.

General
Builtsince 2013
ManufacturerCSR Qishuyan
Wheel arr.C-C 
Gauge5 ft 6 in (Indian broad gauge)
Dimensions and Weights
Service weight251,327 lbs
Adhesive weight251,327 lbs
Axle load41,888 lbs
Boiler
Power Plant
Power
Power sourcediesel-electric
Top speed75 mph
Starting effort71,939 lbf
EngineCaterpillar 3516B
Engine typeV16 diesel
Engine output2,250 hp (1,678 kW)
Calculated Values
diesel locomotive
passenger
last changed: 09/2025
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