© trainspo.comAlna Tobu 20000 series
Built by Alna, Tokyu Car
Overview of the Alna Tobu 20000 series
Discover the Tobu 20000 series, an electric multiple unit operated by Tōbu Railway Co., Ltd. in Japan.
Built between 1988 and 1996 by Alna and Tokyu Car, these reliable EMUs are a staple on the Tōbu network.
With a top speed of 100 km/h and a formation of 8 cars (6 motor and 2 trailer cars), they are well-suited for busy commuter lines.
The Tobu 20000 series runs on 1067 mm gauge tracks and utilizes a 1.5 kV DC electric system, showcasing efficient Japanese railway engineering.
Experience the performance and design of this significant Japanese EMU.
Alna Tobu 20000 series technical specifications
| Value | Imperial / US | |
|---|---|---|
| Series | Tobu 20000 | |
| Built by | Alna, Tokyu Car · 1988–199624 units | |
| Top speed | 100 km/h62 mph | |
| Electric systems |
| |
| Track gauge | 1,067 mmCape gauge3 ft 6 in | |
| Formation | 8 cars (6M2T) | |
| Car length | 18 m59 ft 1 in | |
| Width | 2.86 m9 ft 5 in |
Operators of the Alna Tobu 20000 series
Railway companies that have operated the Tobu 20000 series, with the class designation used by each of them.
| Operator | Class | Country |
|---|---|---|
| Tōbu Railway Co., Ltd. | Tobu 20000 | Japan |
Alna Tobu 20000 series photos
Photos © their respective authors, shared on trainspo.com. They may show liveries or variants that differ from the specifications above.
More electric multiple units from Alna

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

Alna
Tobu 5050
Electric multiple unit
105 km/h

Alna
Tobu 5070
Electric multiple unit
105 km/h

Alna
Tobu 20070 series
Electric multiple unit
95 km/h

Alna
Tobu 200 series
Electric multiple unit
1990–1998 · 110 km/h

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

Alna
Tobu 300 series
Electric multiple unit
1991 · 110 km/h

Alna
Tobu 350 series
Electric multiple unit
1991 · 110 km/h
Similar electric multiple units from other manufacturers

Hitachi
205-0 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
205-500 series
Electric multiple unit
100 km/h

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

Hitachi
Eidan 3000
Electric multiple unit
100 km/h

Hitachi
JNR 121
Electric multiple unit
100 km/h

JNR
JNR 105-0
Electric multiple unit
100 km/h