400 Series Shinkansen
| 400 series | |
|---|---|
400 series on Tsubasa service at Yonezawa Station, March 2005
|
|
| In service | July 1992 – April 2010 |
| Manufacturer | Hitachi, Kawasaki Heavy Industries, Tokyu Car Corporation |
| Family name | Mini-shinkansen |
| Constructed | 1992–1995 |
| Refurbishment | 1999–2001 |
| Scrapped | 2008–2010 |
| Number built | 84 vehicles (12 sets) |
| Number in service | None |
| Number preserved | 1 vehicle |
| Number scrapped | 83 vehicles |
| Formation | 7 cars per trainset |
| Fleet numbers | L1–L12 |
| Capacity | 399 (20 Green + 379 Standard) |
| Operator(s) | JR East |
| Depot(s) | Yamagata |
| Line(s) served | Tohoku Shinkansen, Yamagata Shinkansen |
| Specifications | |
| Car body construction | Steel |
| Car length | 22,825 mm (74 ft 10.6 in) (end cars) 20,500 mm (67 ft 3 in) (intermediate cars) |
| Width | 2,947 mm (9 ft 8.0 in) |
| Doors | one per side |
| Maximum speed | 240 km/h (150 mph) (Tōhoku Shinkansen) 130 km/h (81 mph) (Yamagata Shinkansen) |
| Traction system | 24 x 210 kW (280 hp) (Thyristor drive) |
| Power output | 5.04 MW (6,760 hp) |
| Acceleration | 1.6 km/h/s |
| Deceleration | 2.6 km/h/s |
| Electric system(s) | 20/25 kV AC, 50 Hz, overhead catenary |
| Current collection method | PS204 pantograph |
| Bogies | DT204 (motored), TR7006 (trailer) |
| Safety system(s) | ATC-2, DS-ATC, ATS-P |
| Multiple working | 200 series, E4 series |
| Track gauge | 1,435 mm (4 ft 8 1⁄2 in) |
The 400 series (400系?) was a Japanese Shinkansen high-speed train type operated by 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 Tohoku 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.
They were originally six-car sets, but a seventh car (type 429) was added in 1995 to each set due to the popularity of the new Tsubasa services.
The pre-series set, S4, was delivered in October 1990, and shown off to the press on 26 October 1990. This was a six-car set arranged as shown below with all cars motored.
The unit featured three different types of bolsterless bogies: DT9028 on cars 1 and 3, DT9029 on cars 2 and 4, and DT9030 on cars 5 and 6. The Green car seats featured seat-back TV screens, a feature not used on the subsequent production sets.
Test running began on the Ōu Main Line between Niwasaka and Itaya on 14 November 1990. From 23 January 1991, test running began in conjunction with a newly converted 200 series 8-car K set on the Tōhoku Shinkansen between Sendai and Kitakami. On 26 March 1991, the 400 series set S4 established a new Japanese speed record of 336 km/h on the Jōetsu Shinkansen in the Yuzawa Tunnel between Echigo-Yuzawa and Urasa. On 19 September 1991, the train set a new speed record of 345 km/h on the same stretch of track.
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