page_title: JNR Class ED78
section_title: Operations
hierarchical_section_title: JNR Class ED78 / Operations
caption_attribution_description: 日本語: 国鉄ED78 4+EF71けん引50系客車
context_page_description: The Class ED78 is a Bo-2-Bo wheel arrangement AC electric locomotive type operated in Japan from 1968 until the 1990s. 14 locomotives were built by Hitachi between 1967 and 1980.
context_section_description: The locomotives were introduced to operate on the steeply-graded Ou Main Line between Fukushima and Yonezawa, which was converted from 1,500 V DC electrification to 20 kV AC in October 1968. The locomotives often worked in multiple with Class EF71 locomotives.
caption: ED78 4 double-heading a local passenger service with a class EF71 in the 1980s
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