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Electric locomotive

CRRC Datong SS7

Built by Datong

Top speed
120 km/h
75 mph
Track gauge
1,435 mm
Standard gauge
Years built
1992–2006
113 units
Axle arrangement
Bo'Bo'Bo'

Overview of the CRRC Datong SS7

Discover the powerful SS7 electric locomotive, a key asset of the China Railway Corporation.

Built by Datong between 1992 and 2006, this impressive series, also known as the SS7 韶山7, saw 113 units produced.

With a top speed of 120 km/h, the SS7 is designed for efficient and reliable railway operations.

It features a Bo'Bo'Bo' UIC axle configuration and operates on 25 kV AC 50 Hz electric systems, ensuring consistent performance.

This electric locomotive, running on a 1435 mm gauge track, embodies advancements in Chinese railway technology.

CRRC Datong SS7 technical specifications

Value
SeriesSS7 韶山7
Built byDatong · 1992–2006113 units
Top speed120 km/h75 mph
Electric systems
  • 25 kV AC 50 Hz
Track gauge1,435 mmStandard gauge4 ft 8½ in
UIC axle arrangementBo'Bo'Bo'
Axle load23 t50,706 lb

Operators of the CRRC Datong SS7

Railway companies that have operated the SS7, with the class designation used by each of them.

OperatorClassCountry
China Railway CorporationCR SS7China

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