Mitsubishi 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 Mitsubishi JNR EF63

Discover the iconic JNR EF63 electric locomotive, a workhorse of Japanese railways.

Built by industry leaders like Kawasaki, Mitsubishi, and Toshiba between 1962 and 1976, this powerful machine was a mainstay for the East Japan Railway Company.

With a top speed of 100 km/h and a substantial power output of 2550 kW, the EF63 was designed for demanding tasks.

Its robust 108-tonne frame and 18.05-meter length, coupled with a 1067 mm gauge, made it suitable for a wide range of Japanese track conditions.

Operating on a 1.5 kV DC electric system, the JNR EF63 is a testament to effective locomotive engineering.

Mitsubishi 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