Toshiba JNR EF63

Built by Kawasaki, Mitsubishi, Toshiba

Top speed

100 km/h

62 mph

Power output

2,550 kW

3,420 hp

Weight

108 t

238,099 lb

Length

18.05 m

59 ft 3 in

Track gauge

1,067 mm

Cape gauge

Years built

1962–1976

25 units

Overview of the Toshiba JNR EF63

Discover the JNR EF63, an iconic electric locomotive renowned for its power and reliability in Japan.

Built by a collaboration of Kawasaki, Mitsubishi, and Toshiba between 1962 and 1976, this robust machine embodies the peak of Japanese railway engineering.

With a substantial power output of 2550 kW and a top speed of 100 km/h, the EF63 was a formidable presence on the country's extensive rail network.

Serving the East Japan Railway Company, this locomotive operated on a 1.5 kV DC electrical system and a 1067 mm gauge, specifications common to many Japanese lines.

Measuring 18.05 meters in length, its distinctive design and impressive capabilities make the JNR EF63 a significant piece of railway history, ideal for enthusiasts and historians alike.

Toshiba JNR EF63 technical specifications

	Value	Imperial / US
Built by	Kawasaki, Mitsubishi, Toshiba · 1962–197625 units
Top speed	100 km/h62 mph	62 mph
Power output	2,550 kW3,420 hp	3,420 hp
Electric systems	1.5 kV DC
Track gauge	1,067 mmCape gauge3 ft 6 in	3 ft 6 in
UIC axle arrangement	Bo'Bo'Bo'
Length	18.05 m59 ft 3 in	59 ft 3 in
Width	2.8 m9 ft 2 in	9 ft 2 in
Height	4.06 m13 ft 4 in	13 ft 4 in
Weight	108 t238,099 lb	238,099 lb