The ED79 type was introduced as a locomotive used in the Seikan Tunnel, which opened in 1988, with the ED75-700 type equipped with a modification for continuous gradient and high speed in the tunnel and a security device for the Seikan Tunnel. There are 21 ED79 type 0 generations, which were used for both passenger trains and freight trains passing between Aomori and Hakodate, but withdrew from freight operation in 2006 and all were opened in 2016 with the opening of the Hokkaido Shinkansen.
- Working head light
- Equipped with flywheel drive