Shunting locomotives

The GA 1000 AS is the 4-axle diesel-electric locomotive designed and built by Vossloh Rail Vehicles in Valencia for the French state-owned railway company (SNCF), which placed an order for 160 units. The GA 1000 AS can be used for shunting operations in inter-modal platforms and in sorting yards, as well as being perfectly suited to haul goods trains. The locomotive is equipped with the latest generation of its components, although the GA 1000 AS is the technological evolution of the shunting locomotives that Vossloh designed and delivered in the last twenty years to several customers on all around the world: Renfe (Spain), SBB (Switzerland), Israel Railways (Israel), Egypt National Railways (Egypt), etc.

The traction for the GA 1000 AS locomotive is provided by an 8-Cylinder turbo-charged diesel engine built by Caterpillar (model C3508), rated at 1000 kW. The rest of the traction plant (alternator, rectifier, IGBT converter, traction motors) is furnished by Alstom. The 76-t locomotive (axle load 19 t) has a maximum speed of 100 km/h; if required the weight of the locomotive can be further reduced down to 74 tons. The French version of the GA 1000 AS is equipped with the French safety-system (KVB), although it can be equipped with other safety-systems, as per requirements of the national administration where the locomotive shall be circulating.

The locomotive is equipped with a 3.000 l fuel tank, and the diesel engine compartment is separate from the alternator group compartment, so that the whole electrical part is kept safe from possible impurities on the air that can be eventually generated by the diesel engine. In addition any independent hood has wide access doors on both sides in order to facilitate the maintenance operation.

For the next orders Vossloh has foreseen the installation into the GA 1000 AS of the Caterpillar new-generation engines (C 3508C), in order to be compliant with the upcoming European emissions requirements (EU 97/68 Stage IIIA and B).

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