E3 Series Shinkansen
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| E3 Series Shinkansen | |
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 E3 Series Komachi at Omagari station, September 2005 |
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| In service | 1997 - Present |
| Manufacturer | Kawasaki HI, Tokyu Car |
| Number built | 177 vehicles (29 sets) |
| Formation | 6/7 cars per trainset |
| Operator | JR East |
| Depots | Akita |
| Lines served | Tōhoku Shinkansen, Akita Shinkansen, Yamagata Shinkansen |
| Specifications | |
| Car body | Aluminium |
| Car length | 20,050 mm to 23,070 mm |
| Width | 2,945 mm |
| Maximum speed | 275 km/h (Tōhoku Shinkansen), 130 km/h (Akita/Yamagata Shinkansen) |
| Acceleration | 1.6 km/h/s |
| Traction system | 16 x 300 kW (6 car set), 20 x 300 kW (7 car set) |
| Power output | 4.8 MW (6 car set), 6 MW (7 car set) |
| Gauge | 1,435 mm |
| Voltage | 20/25 kV AC, 50 Hz overhead |
The E3 Series Shinkansen are Japanese Shinkansen high-speed trains built for the opening of the new Akita Shinkansen 'mini-Shinkansen' line, converted from a regular 1,067 mm (3'6") narrow-gauge line between Morioka and Akita. The line joins with the Tōhoku Shinkansen.
Like the 400 Series Shinkansen, these trains are built to a smaller loading gauge to fit on the narrower clearances of the 'mini-Shinkansen'.
The initial units built starting in 1997 were 5-car sets, but sixth cars were built to integrate into the existing units by the end of 1998. A total of 26 Akita Shinkansen sets were in service by the end of 2005.
Three sets classified E3-1000 (L51 - L53) are formed of seven cars. These are used interchangeably with 400 series sets on the Yamagata Shinkansen Tsubasa services.
A new build of twelve 7-car sets is scheduled to enter service on the Yamagata Shinkansen from December 2008, totally replacing the older 400 series trains by summer 2009. These new trains will incorporate design improvements, including active suspension, full-colour LED destination indicators, and AC power outlets in all cars. [1]
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