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#3968· JNR EF81

JNR Class EF81

🇯🇵 Japan ·built by Hitachi· from 1968· Japanese electric locomotive class

JNR Class EF81, photo 1 of 10
1/10 Rsa· CC BY-SA 3.0

what is it?

The Class EF81 is a six-axle Bo-Bo-Bo wheel arrangement multi-voltage AC/DC electric locomotive type operated on passenger and freight services in Japan since 1968. As of 1 April 2016, 44 locomotives remained in service, operated by JR Freight, JR East, and JR West.

who runs it

base stats

  • speed 110 km/htop speed
  • power 2.6 MWpower output
  • weight 101 tin working order
  • built 161made 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 58 years ago, in 1968.
  • 2.6 MW is about 30 family cars (~85 kW each) flat out.
  • Weighs about as much as 17 African elephants (~6 t each).
  • 18.6 m long: about 4 cars parked nose to tail.
  • Still in service after 58 years.

electric locomotive: Draws power from overhead wires or a third rail and pulls separate carriages.

spec sheet

built
1968–1992
in service from
1968
status
in service
number built
161
kind
Electric
traction
electric
origin
🇯🇵 Japan
builders
Hitachi, Mitsubishi, Mitsubishi Heavy Industries
operators
Japanese National Railways, Japan Freight Railway Company, East Japan Railway Company, West Japan Railway Company, Kyushu Railway Company
top speed
110 km/h
power
2.6 MW
gauge
1,067 mm Cape gauge
electric system
1,500 V DC /, 20 kV AC at 50/60 Hz, overhead wire
wheel arrangement
Bo′Bo′Bo′
length
18.6 m
weight
101 t
Dutch name
JNR EF81

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

Sources: Wikidata Q1072087, Wikipedia: JNR Class EF81 (CC BY-SA 4.0).Updated 2026-10-25.

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