CRRC Datong SS7B
Built by Datong
Overview of the CRRC Datong SS7B
Discover the SS7B, an electric locomotive from China Railway Corporation, built in Datong in 1997.
This powerful machine, also known as CR SS7B, is a key player in China's rail network, capable of reaching speeds of 100 km/h.
The SS7B features a standard gauge of 1435 mm and a Bo'Bo'Bo' UIC axle configuration, ensuring robust stability and operational efficiency.
It is equipped with 25 kV AC 50 Hz electric systems, designed for the demands of modern railway operations.
As part of the SS7 韶山7 series, the SS7B embodies advancements in Chinese railway engineering, offering reliability and readiness for diverse transportation challenges.
CRRC Datong SS7B technical specifications
| Value | Imperial / US | |
|---|---|---|
| Series | SS7 韶山7 | |
| Built by | Datong · 19972 units | |
| Top speed | 100 km/h62 mph | |
| Electric systems |
| |
| Track gauge | 1,435 mmStandard gauge4 ft 8½ in | |
| UIC axle arrangement | Bo'Bo'Bo' |
Operators of the CRRC Datong SS7B
Railway companies that have operated the SS7B, with the class designation used by each of them.
| Operator | Class | Country |
|---|---|---|
| China Railway Corporation | CR SS7B | China |
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CRRC Datong
SS7C
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CRRC Datong
SS7D
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1999–2002 · 170 km/h

CRRC Datong
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2001–2006 · 170 km/h

CRRC Datong
SS3
Electric locomotive
1978–2006 · 100 km/h
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