Keisei 3400 series
The Keisei 3400 series is a three-door commuter electric multiple unit train type operated by the private railway operator Keisei Electric Railway in the Tokyo area of Japan since 1993.
Operations
The 3400 series often run on Keisei Main Line services, as well as through services onto the Toei Asakusa Line, Keikyu Main Line, Keikyu Airport Line, and Hokuso Line. The trains do not typically run on the Narita Sky Access Line.Formations
, the fleet consists of five eight-car sets, formed as shown below, with six motored cars.| Car No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Designation | M2c | M1 | T | M2 | M1' | T | M1 | M2c |
| Numbering | 34x1 | 34x2 | 34x3 | 34x4 | 34x5 | 34x6 | 34x7 | 34x8 |
Cars 2 and 7 are each fitted with two single-arm pantographs, while car 5 has one.