203 series train at Kanamachi Station, 31 July 2009
|In service||1982–September 2011|
|Manufacturer||Kawasaki Heavy Industries, Kinki Sharyo, Tokyu Car Corporation|
|Number built||170 vehicles (17 sets)|
|Formation||10 cars per trainset (JNR, JR)
8 cars per trainset (KCJ)
4 cars with a generator hauled by a locomotive (PNR)
|Fleet numbers||51–58, 61–69|
JR East (1987–2011)
KRL Jabotabek (2011–)
|Line(s) served||Jōban Line, Tokyo Metro Chiyoda Line (JNR, JR East)
PNR Metro Commuter
|Car body construction||Aluminium|
|Car length||20,000 mm (65 ft 7 in)|
|Width||2,800 mm (9 ft 2 in)|
|Doors||4 pairs per side|
|Maximum speed||100 km/h (60 mph)|
|Traction system||MT60 (150 kW) x 24|
|Electric system(s)||1,500 V DC|
|Current collection method||Overhead catenary|
|Safety system(s)||ATS-Sn, ATC-10 (JNR, JR East)|
|Track gauge||1,067 mm (3 ft 6 in)|
The 203 series (203系?) is an electric multiple unit (EMU) train type operated in Japan between 1982 and 2011 by Japanese National Railways (JNR) and later by East Japan Railway Company (JR East), and currently operated by KRL Jabotabek in Indonesia and Philippine National Railways (PNR) in the Philippines.
The 203 series sets were on through services between the Jōban Line and Tokyo Metro Chiyoda Line until they were replaced by E233-2000 series EMUs, and finally withdrawn from services in Japan in September 2011.
The sets were formed as follows.
|Numbering||KuHa 202||MoHa 202||MoHa 203||SaHa 203||MoHa 202||MoHa 203||SaHa 203||MoHa 202||MoHa 203||KuHa 203|
Some former 203 series sets have been sent to KRL Jabotabek (KCJ) in Jakarta, Indonesia.
In November 2011, four former 203 series 10-car sets (set numbers 53, 54, 55, 67) were shipped to the Philippine National Railways (PNR) in the Philippines for use on diesel-hauled services south of Manila, replacing former Japanese 12 and 14 series coaches. As of October 2013, seven four-car sets had been formed, as shown below, with car "A" at the Alabang end.
|EMU-1||KuHa 203-107||MoHa 203-11||MoHa 202-7||SaHa 203-9|
|EMU-2||KuHa 202-4||MoHa 202-11||MoHa 203-7||MoHa 202-12|
|EMU-3||KuHa 203-5||MoHa 203-9A||MoHa 202-9||SaHa 203-10|
|EMU-4||KuHa 203-4||MoHa 203-13||MoHa 202-10||SaHa 203-14|
|EMU-5||KuHa 203-3||MoHa 203-121||MoHa 202-120||SaHa 203-8|
|EMU-6||KuHa 202-3||MoHa 202-15||MoHa 203-15||SaHa 203-7|
|EMU-7||KuHa 202-107||MoHa 203-120||MoHa 202-8||MoHa 203-10|
- KuHa: Former driving trailer car
- SaHa: Former intermediate trailer car
- MoHa 202: Former intermediate motor car
- MoHa 203: Former intermediate motor car with pantograph
- JR全車輌ハンドブック2009 [JR Rolling Stock Handbook 2009]. Japan: Neko Publishing. 2009. ISBN 978-4-7770-0836-0.
- JR電車編成表 2011夏 [JR EMU Formations - Summer 2011]. Japan: JRR. May 2010. p. 77. ISBN 978-4-330-21211-1.
- "203系が営業運転から離脱" [203 series withdrawn from revenue service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 28 September 2011. Retrieved 28 September 2011.
- Saito, Miko (March 2014). "フィリピン国鉄南方線の日本型車両" [Japanese rolling stock on the PNR Southern Line]. The Railway Pictorial (in Japanese) (Japan: Denkisha Kenkyūkai) 64 (887): p.64-72.
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