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China Railway SS4
China | 1985 | 1,577 produced
SS4-7193 in February 2018 with a coal train on the Daqin Line in Cha Wu
SS4-7193 in February 2018 with a coal train on the Daqin Line in Cha Wu
Tyg728
General
Built1985-2006
ManufacturerDatong, Zhuzhou Electric Locomotive Works, Ziyang, Dalian
Axle configB-B+B-B 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length107 ft 8 5/8 in
Service weight405,650 lbs
Adhesive weight405,650 lbs
Axle load50,706 lbs
Power
Power sourceelectric - AC
Electric system25,000 V 50 Hz
Continuous power8,583 hp (6,400 kW)
Top speed62 mph
Starting effort141,180 lbf
Power Plant
Boiler
Calculated Values
electric locomotive
freight
two-section
last changed: 10 2023
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