Chinese Rail SS4

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SS4
韶山4
China Railways SS4 0113.jpg
Type and origin
Power typeElectric
BuilderZhuzhou Electric Locomotive Works
Dalian Locomotive & Rolling Stock Works
Datong locomotive factory
CSR Ziyang Locomotive Works
ModelSS4
Build date1985—2010
Total produced158 (SS4)
1347 (SS4G)
Specifications
Configuration:
 • UICBo'Bo'+Bo'Bo'
Gauge1435
Loco weight92 tonnes × 2
Electric system/s25 kV 50 Hz AC Catenary
Current pickup(s)Pantograph
TransmissionAC—DC
Performance figures
Top speed100 km/h (62 mph)


The SS4 (Chinese: 韶山4) is a kind of AC-powered electric locomotive used in China. It was built by Zhuzhou Electric Locomotive Works in 1985 and is still produced as of 2010. It also has an update version: SS4G (Chinese: 韶山4G/韶山4改').

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