[9] Four fourth-batch two-car 817-1100 series sets (V1101 to V1104) were delivered to Nōgata depot in March 2007 to provide increased capacity on the Fukuhoku Yutaka Line.

[3] As of 1 October 2017[update], the fleet consists of four two-car 817-1100 sets (V1101 to V1104), all based at Nōgata Depot, and formed as shown below.

[6] Six fifth-batch 817-2000 series two-car sets (V2001 to V2006) were delivered to Nōgata Depot from January 2012 for introduction on the Fukuhoku Yutaka Line from the start of the revised timetable on 17 March 2012.

[4][11] These sets have white-painted bodysides, and feature longitudinal seating to provide increased overall capacity and relieve overcrowding on the line.

[12] As of 1 October 2017[update], the fleet consists of seven two-car 817-2000 sets (V2001 to V2007), all based at Nōgata Depot, and formed as shown below.

[4] Five fifth-batch 817-3000 series three-car sets (V3001 to V3005) were delivered to Minami-Fukuoka depot from January 2012 for introduction on the Fukuhoku Yutaka Line from the start of the revised timetable on 17 March 2012.

[4][11] As with the 817-2000 series, these sets have white-painted bodysides, and feature longitudinal seating to provide increased overall capacity and relieve overcrowding on the line.

[13] As of 1 October 2017[update], the fleet consists of 11 three-car 817-3000 sets (V3001 to V3011), all based at Minami-Fukuoka Depot, and formed as shown below.