1 photo from Wikimedia Commons · credits & licences
- 1. JNR 121 series 04: Mitsuki-2368· CC BY-SA 3.0
what is it?
The 121 series (121系) is an electric multiple unit (EMU) train type introduced in March 1987 by Japanese National Railways (JNR), and currently operated by Shikoku Railway Company (JR Shikoku) on local services in Shikoku, Japan, as the 7200 series.
who runs it
base stats
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 39 years ago, in 1987.
- 20 m long: about 4 cars parked nose to tail.
- Still in service after 39 years.
multiple unit: A self-propelled train: motors are spread under the passenger cars, so no separate locomotive.
spec sheet
- built
- 1987
- in service from
- 1987
- status
- in service
- number built
- 38
- kind
- multiple unit
- traction
- electric
- origin
- 🇯🇵 Japan
- builders
- Hitachi, Kawasaki Heavy Industries, Kinki Sharyo, Japan Transport Engineering Company
- operators
- Japanese National Railways, Shikoku Railway Company
- top speed
- 100 km/h
- power
- 140 kW
- gauge
- 1,067 mm Cape gauge
- electric system
- (overhead catenary)
- formation
- 2 cars per trainset
- length
- 20 m
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q4548186, Wikipedia: 121 series (CC BY-SA 4.0).Updated 2026-10-25.