China Railways 6K

China Railways 6K

6K-052
Type and origin
Power type Electric
Builder Kawasaki Heavy Industries
Build date 1986-1987
Total produced 85
Specifications
Configuration:
 ​
 • UIC Bo'Bo'Bo'
Gauge 1,435 mm (4 ft 8 1⁄2 in) standard gauge
Length 22.2 m (73 ft)
Adhesive weight 23 t (22.6 long tons; 25.4 short tons)
Loco weight 138 t (135.8 long tons; 152.1 short tons)
Electric system(s) 25 kV AC Catenary
Current source Pantograph
Traction motors Mitsubishi Electric MB-530-AVR
Performance figures
Maximum speed 100 km/h (62 mph)
Career
Operators China Railway
Numbers 6K-001-6K-086

The 6K is a Japanese-built electric locomotive used in China. It is developed and built by Kawasaki Heavy Industries and Mitsubishi Electric. The design of 6K is based on JNR Class ED75 and EF66 electric locomotives . It is the first locomotive with Bo-Bo-Bo wheel arrangement used in China.

Production

In total 85 6Ks were built between 1986 and 1987.

Equipment

Each 6K locomotive uses CLG-616 phase splitter and 6 Mitsubishi Electric MB-530-AVR DC traction motors.

Performance

6K was one of the most reliable electric locomotives in China compared with SS1, SS2 and SS3 at the time of entering service. China later made SS7 locomotive with reference to the Tri-Bo wheel arrangement of 6K, the breakdown rate, however, was still high, until its modified version SS7B, SS7C and SS7D designed.

See also

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