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China Railway SS1
![SS[t]1[/t]-0681 at the China Railway Museum](/data/photos/CR_SS1.jpg)
The SS1 was the first mainline electric locomotive to be manufactured in China. The “SS” stood for “Shaoshan”, Mao’s birthplace. The first seven prototypes with the designation 6Y1 were built between 1958 and 1966 wit...
General
| Property | China Railway SS1Remove |
|---|---|
| Built | 1958-1988 |
| Manufacturers | Zhuzhou Electric Locomotive Works |
| Wheel arrangement | C-C |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | China Railway SS1Remove |
|---|---|
| Length | 20.37 m |
| Rigid wheelbase | 4.60 m |
| Service weight | 138 t |
| Adhesive weight | 138 t |
| Axle load | 23 t |
Power
| Property | China Railway SS1Remove |
|---|---|
| Power source | electric - AC |
| Hourly power | 4,200 kW (5,710 PS) |
| Continuous power | 3,780 kW (5,139 PS) |
| Top speed | 90 km/h |
| Starting effort | 487.0 kN |
Calculated values
| Property | China Railway SS1Remove |
|---|---|
| Factor of adhesion | 1 : 2.78 |
| Power-to-weight ratio | 30.4 kW/t |
| Adhesive weight/Total | 1 : 1.00 |
