JNR Class EF63

Class EF63
A pair of EF63s leading a 489 series EMU on a Hakusan service in June 1997
Type and origin
Power typeElectric
BuilderKawasaki, Mitsubishi and Tōshiba
Build date1962–1976
Specifications
Configuration:
 • UICBo-Bo-Bo
Gauge1,067 mm (3 ft 6 in)
Wheel diameter1,120 mm (44.09 in)
Length18,050 mm (59 ft 2+58 in)
Width2,800 mm (9 ft 2+14 in)
Height4,060 mm (13 ft 3+78 in)
Loco weight108 t (106 long tons; 119 short tons)
Electric system/s1,500 V DC overhead lines
Current pickup(s)Pantograph
Traction motorsDC
Performance figures
Maximum speed100 km/h (62 mph)
Power output2.55 MW (3,420 hp)
Tractive effort23,400 kgf (229,476 N; 51,588 lbf)
Career
OperatorsJNR, JR East, JR Freight
Number in class25
First run1 October 1963
Withdrawn30 September 1997
DispositionAll withdrawn

The Class EF63 (EF63形) is a class of 1,500 V DC electric locomotives formerly operating in Japan.