Kawasaki 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 Kawasaki JNR EF63

Explore the iconic JNR EF63 electric locomotive, a powerhouse of Japanese railway history.

Built by Kawasaki, Mitsubishi, and Toshiba between 1962 and 1976, this robust machine was a staple of the East Japan Railway Company.

With a powerful 2550 kW output and a top speed of 100 km/h, the EF63 is renowned for its reliability and performance on the 1067 mm gauge network.

Its substantial 108-tonne weight and 18.05-meter length underscore its capability for demanding railway operations, showcasing exceptional engineering.

The JNR EF63, classified under the Bo'Bo'Bo' UIC axle arrangement, remains a significant symbol of Japan's efficient and enduring railway transportation systems.

Kawasaki 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