#3884· JNR EF66
JNR Class EF66
🇯🇵 Japan ·built by Kawasaki Heavy Industries· from 1966· class of Japanese electric locomotives
10 photos from Wikimedia Commons · credits & licences
- 1. JNR EF66 42 20050308: ja:User:DD51612· CC BY 3.0
- 2. JNR EF66-27 Nishi-Kokubunji 20220730: Rsa· CC BY-SA 3.0
- 3. EF66-11 of JNR: Lover of Romance· CC BY-SA 3.0
- 4. EF66 28: Mitsuki-2368· CC BY-SA 3.0
- 5. EF66 29 Ofuna 20030630: DAJF· CC BY-SA 4.0
- 6. EF66 35 Kyoto Railway Museum 20161017: Cheng-en Cheng from Taipei City, Taiwan· CC BY-SA 2.0
- 7. EF66 3 hauling freight train: Hahifuheho· CC0
- 8. EF66 45 Hoshiai Clinic Saitama 20140727: DAJF This photo was taken with Sony SLT-A77· CC BY-SA 4.0
- 9. JNR EF66 20 JR Freight livery okayama: spaceaero2· CC BY 3.0
- 10. JNR EF66 901maibara fuji: spaceaero2· CC BY 3.0
what is it?
The Class EF66 (EF66形) is a six-axle, three-bogied (Bo′Bo′Bo′) DC electric locomotive designed for fast freight used by Japanese National Railways (JNR) and later operated by its descendants JR West and JR Freight. As of 1 April 2016, 39 locomotives remained in service, all operated by JR Freight.
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 60 years ago, in 1966.
- 3.9 MW is about 46 family cars (~85 kW each) flat out.
- Weighs about as much as 17 African elephants (~6 t each).
- 18.2 m long: about 4 cars parked nose to tail.
- Served for 58 years (1966–2024).
electric locomotive: Draws power from overhead wires or a third rail and pulls separate carriages.
spec sheet
- built
- 1966
- in service from
- 1966
- retired
- 2024
- status
- in service
- number built
- 89
- kind
- electric locomotive
- traction
- electric
- origin
- 🇯🇵 Japan
- builders
- Kawasaki Heavy Industries, Kisha Seizo, Toshiba, Fuji Electric, Kawasaki Railcar Manufacturing, Toyo Electric
- operators
- Japanese National Railways, West Japan Railway Company, Japan Freight Railway Company
- top speed
- 110 km/h
- power
- 3.9 MW
- gauge
- 1,067 mm Cape gauge
- electric system
- 1,500 V DC overhead lines
- wheel arrangement
- Bo′Bo′Bo′
- length
- 18.2 m
- weight
- 101 t
- Dutch name
- JNR EF66
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q1051114, Wikipedia: JNR Class EF66 (CC BY-SA 4.0).Updated 2026-10-25.