|500-900 series "WIN350"|
End car 500-906 preserved at Hakata Shinkansen Depot, October 2011
|Manufacturer||Hitachi, Kawasaki Heavy Industries|
|Number built||6 vehicles|
|Number in service||None|
|Number preserved||2 vehicles|
|Number scrapped||4 vehicles|
|Line(s) served||Sanyo Shinkansen|
|Car body construction||Aluminium alloy|
|Car length||26,550 mm (87 ft 1 in)
(end cars), 25,000 mm (82 ft 0 in)
|Width||3,380 mm (11 ft 1 in)|
|Maximum speed||350 km/h (215 mph) (nominal)|
|Traction system||300 kW (400 hp) 3-phase motors|
|Electric system(s)||25 kV AC, 60 Hz|
|Current collection method||Overhead catenary|
|Track gauge||1,435 mm (4 ft 8 1⁄2 in)|
"WIN350" was the name given to the 500-900 series (500系900番代) 6-car experimental high-speed Shinkansen train developed in 1992 by the West Japan Railway Company (JR West) in Japan to test technology to be incorporated in next-generation shinkansen trains expected to operate at speeds of 350 km/h (217 mph) from 1994. Initially given the designation "500X", the name "WIN350" stood for "West Japan's Innovation for operation at 350 km/h".
The front-end designs of the two driving vehicles (500-901 and 500-906) were slightly different, with 500-906 featuring a "cockpit" style arrangement. The external livery was purple and light grey, with darker purple lining.
All axles were motored, using 300 kW three-phase motors, and cars were equipped with tilting and active suspension.
Internally, only car 4 was fitted with passenger seats, with 10 rows of 3+2 standard-class seating and 5 rows of 2+2 Green class (first class) seating.
The 6-car set, designated "W0", was formed as follows.
Initially, cars 1, 2, and 5 were fitted with pantographs.
The WIN350 train was delivered to Hakata Shinkansen Depot in April 1992.
On 6 August 1992, the train recorded a Japanese national speed record of 345.8 km/h on the Sanyo Shinkansen. Two days later, on 8 August 1992, the train recorded a Japanese national speed record of 350.4 km/h on the Sanyo Shinkansen between Ogōri (now Shin-Yamaguchi) and Shin-Shimonoseki.
End car 500-901 is preserved outdoors at the RTRI large-scale wind tunnel test facility in Maibara, Shiga. Initially expected to be moved to the Modern Transportation Museum in Osaka, car 500-906 is preserved at Hakata Shinkansen Depot.
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