The first two sets, 61601 and 61602, were delivered from the Hitachi factory in Kudamatsu, Yamaguchi in March 2013.
Set 61601 entered revenue service on 15 June 2013, with 61602 entering service on 21 June 2013.
Sets 61603 and 61604 were delivered together from Hitachi in January 2014, both entering revenue service from 27 January 2014.
The first two sets, 61601 and 61602, were delivered from the Hitachi factory in Kudamatsu, Yamaguchi in March 2013. Set 61601 entered revenue service on 15 June 2013, with 61602 entering service on 21 June 2013. Sets 61603 and 61604 were delivered together from Hitachi in January 2014, both entering revenue service from 27 January 2014.
Tobu 60000 series