5 photos from Wikimedia Commons · credits & licences
- 1. JRW DEC741 2021-11-02: 日根野· CC BY-SA 4.0
- 2. DEC741 予讃線検測: Kaneyan maru· CC BY 4.0
- 3. DEC741形総合検測車: 乾英雄· CC BY-SA 4.0
- 4. JR West DEC741-1 Shin-Yamaguchi 20220925: Rsa· CC BY-SA 3.0
- 5. JR West DEC741-101 Shin-Yamaguchi 20220925: Rsa· CC BY-SA 3.0
what is it?
The DEC741 is a diesel-electric multiple unit (DMU) departmental train operated by West Japan Railway Company (JR West). It is Japan's first route inspection train to incorporate artificial intelligence.
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 5 years ago, in 2021.
- 21 m long: about 5 cars parked nose to tail.
multiple unit: A self-propelled train: motors are spread under the passenger cars, so no separate locomotive.
spec sheet
- built
- 2021
- in service from
- 2021
- number built
- 2
- kind
- multiple unit
- traction
- diesel
- origin
- 🇯🇵 Japan
- builders
- Kinki Sharyo
- operators
- West Japan Railway Company
- top speed
- 100 km/h
- power
- —
- gauge
- 1,067 mm Cape gauge
- formation
- 2 cars
- length
- 21 m
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q109301950, Wikipedia: DEC741 (CC BY-SA 4.0).Updated 2026-10-25.