The EF80 is an alternating current electric locomotive that appeared for Joban Line from 1962 to 1967, and adopts a 1 - car 1 - motor system as a countermeasure against the weight increase unique to the direct current machine.Among Units 1 to 50, which are called the primary type, Prototype Units 1 to 30 are for both passenger cargo and equipped with EG (Electric Heating Power Generator), 20 series, 24 type sleeping limited express "Yuzuru" etc. We played an active part.