Making 270 km/h practical
Aluminium construction, bolsterless bogies and regenerative braking helped reduce axle load while speed increased. The nose and pantograph covers addressed aerodynamic noise.
Shinkansen
300 · Tōkaidō · San’yō
Look closer
What stands out in the nose profile?
先頭形状
A low wedge replaces the projecting nose cap.
Compare · 100 · Tōkaidō · San’yō
リニア・鉄道館 · 車両展示A low wedge replaces the projecting nose cap.
Engineering details
300 series · Tōkaidō–San’yō
| Body construction | Aluminium alloy, single skin 1 |
|---|---|
| Traction motors | AC traction motors 2 |
| Traction control | VVVF inverter 1 |
| Power supply | 25 kV AC · 60 Hz 3 |
Inside the engineering
300 series comparison specification published by JR Central’s vehicle department head · 1999
| Formation | 16 cars · 10M6T |
|---|---|
| Motor output | 300 kW per induction motor |
| Main converter | GTO · two-level PWM |
| Train motor output | 12,000 kW |
Technical sources and page references
- 東海道新幹線と700系の開発について
石津一正・JR東海 新幹線鉄道事業本部車両部長（京都大学リポジトリ収録） · 1999-06 · Printed pp. 12–18; §3.2–3.4 and Table 1
Seating
Typical row · 2 + 3
Look at the middle seat on the three-seat side. In the ordinary cabin documented here, B was about 3 cm wider than its neighbours (460 mm against 430 mm).
Sources and updates
Checked 2026-11-07