This locomotive was introduced from 1972 to 1990 , after electrification of several industrial lines .
The Korail Class 8000 locomotive is a series of South Korean electric locomotives operated by Korail .
This series was introduced from 1972 to 1990 , after electrification of several industrial lines .
The Korail Class 8000 locomotive is a series of South Korean electric locomotives operated by Korail .