The 6K is a Japanese-built electric locomotive used in China. It is developed and built by
Kawasaki Heavy Industries
(or simply Kawasaki) is a Japanese Public company, public multinational corporation manufacturer of motorcycles, engines, Heavy equipment (construction), heavy equipment, aerospace and Military, defense equipment, rolling stock and ships, headq ...
and
Mitsubishi Electric
, established on 15 January 1921, is a Japanese multinational electronics and electrical equipment manufacturing company headquartered in Tokyo, Japan. It is one of the core companies of Mitsubishi. The products from MELCO include elevators an ...
. The design of 6K is based on
JNR
The abbreviated JNR or , was the business entity that operated Japan's national railway network from 1949 to 1987.
Network Railways
As of June 1, 1949, the date of establishment of JNR, it operated of narrow gauge () railways in all 46 pref ...
Class
ED75 and
EF66
The is a six-axle, three-bogied (Bo′Bo′Bo′) DC electric locomotive designed for fast freight used by Japanese National Railways (JNR) and later operated by its descendants JR West and JR Freight. , 39 locomotives remained in service, all ...
electric locomotives. It is the first locomotive with
Bo-Bo-Bo
A Bo-Bo-Bo or Bo′Bo′Bo′ (UIC classification) is a locomotive with three independent two-axle bogies with all axles powered by separate traction motors. In the AAR system, this is simplified to B-B-B.
The Bo-Bo-Bo configuration is of ...
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
A phase splitter is a device that separates a signal into multiple phases (or polarities).
The term is most often applied to amplifiers that produce two "balanced" voltage outputs: of equal amplitude but opposite polarity (i.e. 180 degrees phase ...
and 6
Mitsubishi Electric
, established on 15 January 1921, is a Japanese multinational electronics and electrical equipment manufacturing company headquartered in Tokyo, Japan. It is one of the core companies of Mitsubishi. The products from MELCO include elevators an ...
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
*
China Railways SS7
The Shaoshan 7 (Chinese: 韶山7) is a type of electric locomotive used on the People's Republic of China's national railway system. They are widely used on electrified lines in the southwest part of China.
Design
The design of SS7 was influenced ...
External links
Product information (Kawasaki)
{{Electric-loco-stub
25 kV AC locomotives
Bo-Bo-Bo locomotives
6K
Kawasaki locomotives
Railway locomotives introduced in 1986
Standard gauge locomotives of China