Keisei 3700 series
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| Keisei 3700 series | |
|---|---|
 8-car set 3728 in March 2021 | |
| Manufacturers | Nippon Sharyo, Tokyu Car Corporation |
| Replaced | 3000 series |
| Constructed | 1991–2001 |
| Entered service | 1991 |
| Number built | 132 vehicles (17 sets) |
| Number in service | 98 vehicles (13 sets) |
| Formation | 8/6 cars per set (6M2T/4M2T) |
| Fleet numbers | 3708–3868 |
| Operator | Keisei Electric Railway |
| Lines served | |
| Specifications | |
| Car body construction | Stainless steel |
| Doors | 3 pairs per side |
| Maximum speed | 120 km/h (75 mph) |
| Traction system | Variable frequency (GTO) (SiC) |
| Electric systems | 1,500 V DC (overhead catenary) |
| Current collection | Pantograph |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) |
The Keisei 3700 series (京成3700形) is a commuter electric multiple unit (EMU) train type operated by the private railway operator Keisei Electric Railway in the Tokyo area of Japan since 1991.[1]
The 3700 series eight-car sets operate on the Keisei Main Line between Keisei Ueno and Narita Airport, including inter-running services over the Toei Asakusa Line and Keikyu Main Line to and from Haneda Airport through the Keikyu Airport Line,[1] with occasional use on services on the Keikyu Kurihama Line.[2] As of November 2014[update], the six-car sets are used solely on the Keisei Main Line.[1]
Formations
As of 1 March 2022[update],[3][4] the fleet consists of 10 eight-car sets and three six-car sets. The sets are formed as follows,[5] with car 1 at the Narita Airport end.
6-car sets
Six-car sets 3828 and 3838 are formed as shown below, with four motored ("M") cars and two non-powered trailer ("T") cars.[5]
| Car No. | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
| Designation | M2c | M1 | T | T | M1 | M2c |
| Numbering | 38x1 | 38x2 | 38x3 | 38x4 | 38x5 | 38x6 |
The two M1 cars are each fitted with two single-arm pantographs.[5]
Six-car set 3828 in March 2012
8-car sets
The eight-car sets are formed as shown below, with six motored ("M") cars and two non-powered trailer ("T") cars.[5]
| Car No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|---|
| Designation | M2c | M1 | T | M2 | M1' | T | M1 | M2c |
| Numbering | 3xx1 | 3xx2 | 3xx3 | 3xx4 | 3xx5 | 3xx6 | 3xx7 | 3xx8 |
The two M1 cars are each fitted with two pantographs, and the M1' car is fitted with one pantograph (cross-arm type for sets 3708 to 3818 and single-arm type for sets 3848 to 3868).[5]
Eight-car set 3738 with hexagonal skirt in May 1995
Eight-car set 3811 with original style front end in September 2020
Eight-car set 3848 with later style front end in March 2021
Interior
Seating consists of longitudinal bench seating throughout.[1]
