Based on the design of the Nankai 8300 series,[3] the 9300 series uses LEDs for external and internal lighting, which Semboku states reduces power consumption by 50% when compared to the older 3000 series trains.[2]
^ ab"泉北高速鉄道に新型車両「9300系」来夏デビュー 内装など公表、既存車の色も変更へ" [New train "9300 series" to debut next summer on Semboku Express Railway]. Railway Pressnet (in Japanese). 11 November 2022. Archived from the original on 11 November 2022. Retrieved 11 November 2022.
^ ab"泉北高速鉄道に16年ぶりの通勤用新型車…南海8300系ベースの「9300系」 2023年夏" [First new commuter train in 16 years, Semboku Rapid Railway announces "9300 series" train based on the 8300 series, scheduled to enter service in summer 2023]. Response Automotive Media (in Japanese). 11 November 2022. Archived from the original on 11 November 2022. Retrieved 11 November 2022.
^"泉北高速鉄道に新型車両9300系登場 23年夏 既存の車両はカラー変更へ" [Semboku Rapid Railway announces new 9300 series trains to be introduced in summer 2023 and updated livery for pre-existing trains]. Traffic News (in Japanese). Japan: Mediavague Co., Ltd. 11 November 2022. Archived from the original on 11 November 2022. Retrieved 11 November 2022.
^泉北高速鉄道9300系が甲種輸送される [Semboku Rapid Railway 9300 series sets delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 20 December 2022. Archived from the original on 20 December 2022. Retrieved 20 December 2022.
^泉北高速鉄道、新型車両9300系の営業運転開始日決定 - 8/8デビュー [Semboku Rapid Railway announces date of service entry for new 9300 series fleet: 8 August]. Mynavi News (in Japanese). 25 July 2023. Retrieved 31 July 2023.
^泉北高速鉄道9300系が営業運転を開始 [Semboku Rapid Railway 9300 series enters revenue service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 9 August 2023. Retrieved 12 August 2023.