 The first batch of 2nd generation trains consisted of train 1-42~1-63.The cars were manufactured from 1986 to 1991.As built, trains 1-42~1-49 were ten cars long, trains 1-50~1-56 were six cars long and ran on the Ansan Line, and trains 1-57~1-63 were four cars long and ran on the Yongsan-Seongbuk shuttle line.