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#5906

ALFA-X

🇯🇵 Japan ·built by Hitachi· from 2019· experimental high-speed shinkansen trainset

ALFA-X, photo 1 of 2
1/2 N100teda· CC BY-SA 4.0

what is it?

The Class E956 (Japanese: E956形), branded "ALFA-X", is a ten-car experimental Japanese Shinkansen high-speed train operated by the East Japan Railway Company (JR East) in Japan capable of operating at up to 400 kilometres per hour (250 mph) to test technologies for future trains capable of operating at speeds of up to 360 kilometres per hour (225 mph). The name is an acronym for "Advanced Labs for Frontline Activity in rail eXperimentation". The train was unveiled on 9 May 2019.

who runs it

base stats

  • speed 400 km/htop speed
  • power 12 MWpower output
  • built 10made in total

Bars compare against all trains: 600 km/h (maglev), 1,700 seats; power, weight and number built on a log scale up to 20 MW, 1,000 t and 20,000 built.

fun facts

  • First built 7 years ago, in 2019.
  • Top speed is 3.1× a car on the Dutch motorway (130 km/h).
  • At full speed it would cover Amsterdam–Utrecht (≈ 40 km) in 6 minutes.
  • 12 MW is about 141 family cars (~85 kW each) flat out.
  • 26.3 m long: about 6 cars parked nose to tail.

high-speed train: Built for 200–350 km/h on dedicated lines, like the TGV, ICE or Shinkansen.

spec sheet

built
2019
in service from
2019
number built
10
kind
high-speed train
traction
electric
origin
🇯🇵 Japan
builders
Hitachi, Kawasaki Heavy Industries, Kawasaki Railcar Manufacturing
operators
East Japan Railway Company
top speed
400 km/h
power
12 MW
gauge
1,435 mm standard gauge
formation
10 cars
length
26.3 m

From the Wikipedia infobox and Wikidata. Blank means the sources don't say.

Sources: Wikidata Q33111832, Wikipedia: ALFA-X (CC BY-SA 4.0).Updated 2026-10-25.

stan runge 704880d source