© trainspo.comHitachi JNR 121
Built by Hitachi, Kawasaki, Kinki Sharyo, Tokyu Car
Overview of the Hitachi JNR 121
Discover the JNR 121 series, a notable Electric Multiple Unit originally designed for the Shikoku Railway Company (JR Shikoku) in Japan.
These efficient trains, built by manufacturers like Hitachi, Kawasaki, Kinki Sharyo, and Tokyu Car, are recognized for their reliability.
With a top speed of 100 km/h and a two-car formation, the JNR 121 series offers an ideal solution for regional rail transport.
The 1067 mm gauge and compact dimensions, including a car length of 20 meters, a width of 2.87 meters, and a height of 4.09 meters, allow for flexible operation on various routes.
Operating with 1.5 kV DC electric systems, the JNR 121 series represents Japan's engineering prowess and commitment to advanced railway technology.
Hitachi JNR 121 technical specifications
| Value | Imperial / US | |
|---|---|---|
| Built by | Hitachi, Kawasaki, Kinki Sharyo, Tokyu Car | |
| Top speed | 100 km/h62 mph | |
| Electric systems |
| |
| Track gauge | 1,067 mmCape gauge3 ft 6 in | |
| Formation | 2 cars | |
| Car length | 20 m65 ft 7 in | |
| Width | 2.87 m9 ft 5 in | |
| Height | 4.09 m13 ft 5 in |
Operators of the Hitachi JNR 121
Railway companies that have operated the JNR 121, with the class designation used by each of them.
| Operator | Class | Country |
|---|---|---|
| Shikoku Railway Company | JR Shikoku 121 | Japan |
More electric multiple units from Hitachi

Hitachi
205-0 series
Electric multiple unit
100 km/h

Hitachi
205-500 series
Electric multiple unit
100 km/h

Hitachi
205-3000 series
Electric multiple unit
100 km/h

Hitachi
205-3100 series
Electric multiple unit
100 km/h

Hitachi
205-5000 series
Electric multiple unit
100 km/h

Hitachi
Chichibu 5000
Electric multiple unit
1968–1976 · 100 km/h

Hitachi
Eidan 3000
Electric multiple unit
100 km/h

Hitachi
JNR 103
Electric multiple unit
1963–1984 · 100 km/h
Similar electric multiple units from other manufacturers

Alna
Tobu 10000
Electric multiple unit
1983 · 100 km/h

Alna
Tobu 10030
Electric multiple unit
1988 · 100 km/h

Alna
Tobu 10050
Electric multiple unit
1992–1995 · 100 km/h

Alna
Tobu 20000 series
Electric multiple unit
1988–1996 · 100 km/h

Alna
Tobu 9000
Electric multiple unit
1981–1994 · 100 km/h

Alna
Tobu 9050
Electric multiple unit
1994 · 100 km/h

Alstom
4100
Electric multiple unit
2006 · 100 km/h

BBC
MThB ABDe 4/4
Electric multiple unit
1965 · 100 km/h