GE Dash 9

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GE Dash 9-44CW series
GE Dash 9-44CW of the BNSF Railway # 5518
GE Dash 9-44CW of the BNSF Railway # 5518
Manufacturer: General Electric
Year of construction (s): 1993-2004
Axis formula : Co'Co '
Length over coupling: 22.3 m
Service mass: 186-197 tons
Top speed: 120 km / h
Hourly output : 3,280 kW
Motor type: 7FDL-16, diesel V 16
Power transmission: electric
Number of traction motors: 6th

The General Electric Dash 9 is a series of 6-axle diesel-electric locomotives from the US locomotive manufacturer General Electric (GE). Several variants of this series were offered. These differ mainly in the engine power. The first model produced from 1993 onwards was the Dash 9-44 CW with 3280 kW (4400 SAE-PS ), the most powerful freight train locomotive manufactured by GE at the time . The Dash 9-P42DC was a 3132 kW (4200 hp) locomotive built from 1996 for passenger trains. In addition, less powerful locomotives than Dash 9-40CW were delivered to the Norfolk Southern Railway . In addition, from 1994 GE offered a variant of the Dash 9 with traction motors in AC version . These machines are referred to as the GE AC4400CW .


The vehicles are powered by diesel-electric technology . The diesel engine drives a three-phase synchronous generator, which generates the energy for the electric traction motors. First, however, the generated AC voltage is rectified, because the traction motors in this series are DC series motors. The machines are equipped with an electrical resistance brake. Here, the kinetic energy is converted into electrical energy by the traction motors and this is then converted into heat via braking resistors . As a result, the brake wear could be reduced, since the drag brake works largely wear-free.

GE C40-9W of the NS

operation area

The Dash 9 series locomotives are used by almost all major railroad companies in North America , such as the BNSF , CSX , Canadian National Railway and the Union Pacific Railroad . The Dash 9-P42DC model is a popular passenger train locomotive at Amtrak .


Web links

Commons : GE Dash 9  - collection of pictures, videos and audio files