The DES-SJ3 electric locomotive is a high power freight locomotive designed to meet the needs of heavy haul transportation. It is designed with 23+2 axle load, three-phase propulsion, auxiliary converter, independent ventilation. It is suitable for speed raising and heavy duty freight transportation. It is the largest electric locomotive in China at present.
The locomotive features high performance in tractive and braking power, stable starting-up, quick acceleration, reliable and economic operation, good working condition in driver¡¯s cab, less air pollution and easy maintenance.
Line voltage |
25kV, 50Hz |
Wheel arrangement |
Co-Co |
Axle load |
25 t |
Rated power |
7,200 kW |
Design speed |
120 km/h |
Min. curve negotiation radius |
125 m |
Length over coupler centers |
20,846 mm |