SBB-CFF-FFS Eem 923

The SBB-CFF-FFS Eem 923 is a dual power version of the SBB-CFF-FFS Ee 922 electric shunting locomotive of Swiss Federal Railways. Thirty locomotives have been ordered from Stadler.[1]

SBB-CFF-FFS Eem 923
Eem 923 015-2 series Butler at Payerne (Switzerland)
Type and origin
Power typeElectro-diesel
BuilderStadler Rail
Build date2011-2012
Total produced30
Specifications
Configuration:
​
 • UICBo
Gauge1,435 mm (4 ft 8 1⁄2 in)
Electric system/s15 kV  16.7 Hz AC
25 kV 50 Hz AC
Catenary
Current pickup(s)Pantograph
Performance figures
Maximum speed100 km/h (62 mph)
Power output1,500 kW (2,012 hp) electric, 360 kW (483 hp) diesel generator
Career
OperatorsSwiss Federal Railways
DeliveredFrom October 2011

History

SBB has different shunting engines in use, which had reached a significant age around 2010. Maintenance became expensive, and these machines were from an ecological perspective no longer viable. SBB Cargo decided to order new dual power locomotives to use in the best way the electrified rails with only short sidings being without electric power.

SBB procured 30 machines in 2010 from Stadler Winterthur AG with an overall value of CHF 88 million. The first machine was delivered in March 2012.

Specification

The wheel arrangement is Bo. It can run at up to 100 km/h on 15 kV or 25 kV electrified lines. The machine has a 360 kW diesel engine with generator for operation on non-electrified sidings.

References
  1. "SBB Cargo electro-diesel shunter unveiled". Railway Gazette. 2011-10-14. Retrieved 2012-05-08.


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