400 Series Shinkansen

400 series
A 400 series train, painted in later livery, at Yonezawa Station
In service1 July 1992 – 18 April 2010 (17 years, 291 days)
ManufacturerKawasaki Heavy Industries
Family nameMini-Shinkansen
Constructed1992–1995
Refurbished1999–2001
Scrapped2009–2010
Number built84 vehicles (12 sets)
Number in serviceNone
Number preserved1 vehicle
Number scrapped83 vehicles
SuccessorE3 series
Formation7 cars per trainset
Fleet numbersL1–L12
Capacity399 (20 Green + 379 Standard)
Operators JR East
DepotsYamagata
Lines served
Specifications
Car body constructionSteel
Car length
  • End cars: 22.825 m (74 ft 10.6 in)
  • Intermediate cars: 20.5 m (67 ft 3 in)
Width2.947 m (9 ft 8 in)
Doors1 per side
Maximum speed240 km/h (150 mph)
Traction system24 × 210 kW (280 hp) thyristor drive
Power output5,040 kW (6,760 hp)
Acceleration1.6 km/(h⋅s) (0.99 mph/s)
Deceleration2.6 km/(h⋅s) (1.6 mph/s)
Electric system(s)
Current collectionPS204 pantograph
Bogies
  • Motored: DT204
  • Trailer: TR7006
Safety system(s)ATC-2, DS-ATC, ATS-P
Multiple workingUp to two units: 200 or E4 series
Track gauge1,435 mm (4 ft 8+12 in) standard gauge

The 400 series (Japanese: 400系) was a Japanese Shinkansen high-speed train type operated by the East Japan Railway Company (JR East) between 1992 and 2010 on Tsubasa services on Japan's first mini-Shinkansen line, the Yamagata Shinkansen branch from the main Tōhoku Shinkansen.

The fleet of 400 series trains was leased by JR East from the owning company, Yamagata JR Chokutsū Tokkyū Hoyū Kikō (山形ジェイアール直通特急保有機構(株)), a third-sector company jointly owned by JR East and Yamagata Prefecture.

The trains were originally formed as six-car sets, but a seventh car was added to each set in 1995 due to the popularity of the Tsubasa services.