Seibu L00 series
| Seibu L00 series | |
|---|---|
| Manufacturer | Mitsubishi Heavy Industries |
| Built at | Mihara, Hiroshima[1] |
| Family name | Leo Liner |
| Replaced | 8500 series |
| Constructed | 2025–present[1] |
| Entered service | 27 March 2026 (scheduled) |
| Number under construction | 8 vehicles (2 sets) |
| Number built | 4 vehicles (1 set) |
| Formation | 4 cars per trainset |
| Capacity | 144 (56 seated) per set[1] |
| Operator | Seibu Railway |
| Line served | Yamaguchi Line |
| Specifications | |
| Car body construction | Aluminum alloy |
| Train length | 34,000 mm (111 ft 7 in) |
| Car length | 8,500 mm (27 ft 11 in) |
| Width | 2,420 mm (7 ft 11 in) |
| Height | 3,340 mm (10 ft 11 in) |
| Doors | 1 per side |
| Maximum speed | 60 km/h (37 mph) (design) |
| Traction system | 2-level VVVF |
| Traction motors | Three-phase induction motor |
| Acceleration | 3.5 km/(h⋅s) (2.2 mph/s) |
| Deceleration |
|
| Electric systems | 750 V DC (Third rail) |
| Notes/references | |
| Specifications:[2] | |
The Seibu L00 series (西武L00系) is a people mover train type on order by the private railway operator Seibu Railway for use on Yamaguchi Line services. Three four-car sets are to be built by Mitsubishi Heavy Industries by fiscal 2027 to replace the ageing 8500 series fleet.[3]
Exterior
The first set features a livery that is based on the Saitama Seibu Lions.[1] The second set is expected to receive a navy blue livery with decorations inspired by the fireworks and illuminations at the Seibu-en amusement park.[3]
Interior
Passenger accommodation consists of mostly longitudinal seating throughout with a bench seat for one child and one adult faces at the front end of each lead car. All cars have an accessible "free space". The intermediate cars feature showcase displays. LCD displays are installed above the doorways.[2]
Formation
Sets are formed as shown below.[2]
| Designation | Tc1 | M1 | M2 | Tc2 |
|---|---|---|---|---|
| Weight (t) | 10.2 | 10.5 | 10.4 | 10.2 |
| Capacity (total/seated) | 32/12 | 40/16 | 40/16 | 32/12 |
History
Details of the new Leo Liner train type on order were first announced on 22 January 2025.[4]
On 18 November 2025, Seibu announced that the new Leo Liner train type would be classified as the L00 series. The first set was unveiled at the Mitsubishi Heavy Industries Mihara works on that same day and delivered later in that month.[1][5]
On 5 March 2026, it was announced that the train type is scheduled to enter service on the 27 March of that year.[3] Following that, one set is scheduled to be introduced every year until fiscal 2027.[1]
References
- ^ a b c d e f "西武「新型レオライナー」2026年3月デビュー 第1編成が完成 新形式「れおけい」の由来は?" [Seibu's "New Leo Liner" to debut in March 2026, first train completed - what is the origin of the new "Leo-kei" model?]. Traffic News (in Japanese). Japan: Mediavague Co., Ltd. 18 November 2025. Retrieved 12 March 2026.
- ^ a b c "西武鉄道「レオライナー」新型車両L00系の第2編成、デザインが決定" [Train design for Seibu Railway's new L00 series "Leo Liner" second train decided]. Mynavi News (in Japanese). Japan: Mynavi Corporation. 5 March 2026. Retrieved 12 March 2026.
- ^ "西西武鉄道「レオライナー」山口線に新型車両、2025年度末から導入へ" [Seibu Railway to introduce new Yamaguchi Line “Leo Liner” trains from the end of fiscal year 2025]. Mynavi News (in Japanese). Japan: Mynavi Corporation. 22 January 2025. Retrieved 12 March 2026.
- ^ "新型「レオライナー」西武へ到着! 夜間の搬入シーンの動画が公開 広島の製造元も反応" [New "Leo Liner" arrives at Seibu! Video of nighttime delivery released, Hiroshima manufacturer also responds]. Traffic News (in Japanese). Japan: Mediavague Co., Ltd. 22 November 2025. Retrieved 12 March 2026.