It is the series which appeared when Yamagata Shinkansen was opened for traffic. It is the first Shinkansen which can be in direct communication in the Shinkansen section and the old railroad line section. It connected with series 200 and was running the Shinkansen section before. Now, it connects with series E4 and is running. It runs an old railroad line only in series 400 between the Fukushima station - Shinjyo stations. Since series 400 runs an old railroad line, its section of the body is small. Taking advantage of this feature, the examination of top speed was also performed with the test vehicle of this series. It appeared by six-car organization in the beginning. However, since one trailer was added behind, it is seven-car organization now.When series E3 was supplied to Yamagata Shinkansen, it was changed into paint of the same design as series E3.
| Type 401 | Type 402 | Type 403 | Type 404 | Type 405 | Type 406 | Type 411 | Type 422 | Type 425 | Type 426 | Type 429 |
The control electric vehicle of the method of Tokyo. It was the test vehicle of a first-class car. Afterwards, it was converted on a par with a mass-production vehicle, and was set to 411-1.
The electric vehicle used as 401 and a unit. The pantograph is carried. This is the precedence vehicles of mass production. It was converted behind and set to 426-201.
The electric vehicle used as 404 and a unit. This is no pantograph. This is the precedence vehicles of mass production. It was converted behind and set to 425-1.
The electric vehicle used as 403 and a unit. The pantograph is carried. This is the precedence vehicles of mass production. It was converted behind and set to 426-1.
The electric vehicle used as 406 and a unit. This is no pantograph. This is the precedence vehicles of mass production. It was converted behind and set to 425-201.
The control electric vehicle of Yamagata. This is the precedence vehicles of mass production. It was converted behind and set to 422-1.
The control electric vehicle of Tokyo. It is a first-class car. It is automatic and there is equipment for connecting so that it can connect with series 200. Indoor seats are two sequences and one sequence. There are a wheelchair correspondence rest room, a washroom, a conductor room, etc. 411-1 is the vehicles which converted 401.
The control electric vehicle of Yamagata. Since it is a nonreserved seat, the interval of a seat is 910mm. 422-1 is the vehicles which converted 406.
A middle electric vehicle without a pantograph. Since it is a reserved seat, the interval of a seat is 980mm. It has a rest room and a washroom. 425-1 is the vehicles which converted 403.
A middle electric vehicle without a pantograph. Since it is a nonreserved seat, the interval of a seat is 910mm. It has a rest room and a washroom. 425-201 is the vehicles which converted 405.
The middle electric car in which a pantograph is carried. Since it is a reserved seat, the interval of a seat is 980mm. 426-1 is the vehicles which converted 404.
The middle electric car in which a pantograph is carried. Since it is a reserved seat, the interval of a seat is 980mm. 426-201 is the vehicles which converted 402.
The trailer added in 1995. It has the rest room and the washroom. The seat is improved by the type with which a cushion moves.