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311 series
Japanese train type
Japanese train type
| Field | Value | ||||
|---|---|---|---|---|---|
| name | 311 series | ||||
| image | JR-Series311-G5_Special-Rapid.jpg | ||||
| imagesize | 300px | ||||
| caption | 311 series, January 2022 | ||||
| service | 1989–2025 | ||||
| manufacturer | Hitachi, Kawasaki Heavy Industries, Kinki Sharyo | ||||
| replaced | 113 series, 115 series | ||||
| successor | 315 series | ||||
| yearconstruction | 1989–1991 | ||||
| yearscrapped | 2022– | ||||
| numberbuilt | 60 vehicles | ||||
| numberservice | None | ||||
| formation | 4 cars per trainset | ||||
| fleetnumbers | G1–G15 | ||||
| operator | |||||
| depots | Ōgaki | ||||
| lines | {{Plainlist | ||||
| *{{ric | JR Central | Tokaido | name | y}} | |
| *{{ric | JR Central | Taketoyo | name | y}} | |
| carbody | Stainless steel | ||||
| carlength | {{Plainlist | ||||
| * {{Convert | 20100 | mm | ftin | abbr | on}} (end cars) |
| * {{Convert | 20000 | mm | ftin | abbr | on}} (intermediate cars) |
| width | 2,966 mm | ||||
| doors | 3 pairs per side | ||||
| maxspeed | 120 km/h | ||||
| traction | Resistor control + field system superimposed field excitation control | ||||
| traction motors | C-MT61A | ||||
| poweroutput | 960kW (2M2T set configuration) | ||||
| gearratio | 16:83 (5.19) | ||||
| electricsystem | 1,500 V DC overhead | ||||
| collectionmethod | C-PS27A single-arm pantograph | ||||
| brakes | Regenerative brake, electronically controlled pneumatic brakes | ||||
| safety | ATS-ST, ATS-PT | ||||
| coupling | Shibata Type | ||||
| multipleworking | 211/313 series | ||||
| gauge |
- 20100 mm (end cars)
- 20000 mm (intermediate cars)
The 311 series was a DC suburban electric multiple unit (EMU) train type operated by Central Japan Railway Company (JR Central) in Japan from 1989 until 2025. A total of 15 four-car sets were built between 1989 and 1991 by Hitachi, Kawasaki Heavy Industries, and Kinki Sharyo to replace older 113 and 115 series EMUs. The design of the 311 series was developed from that of the 211 series.
Following the introduction of new 315 series EMUs, JR Central began retiring the 311 series fleet in May 2022, with the entire fleet retired by 30 June 2025.
Design
Built jointly by Hitachi, Kawasaki Heavy Industries, and Kinki Sharyo, the design was developed from the earlier 211 series, with the first five trains introduced from July 1989 to replace older 113 and 115 series EMUs. Eight more sets were introduced from the start of the new timetable in March 1990, and a further two sets were introduced in March 1991.
Formation
, the fleet consists of 15 four-car sets (G1 to G15), all based at Ogaki Depot. The trainsets are formed as shown below with two motored cars and two non-powered trailer cars.
| Designation | Numbering |
|---|---|
| Mc | M' |
| KuMoHa 311 | MoHa 311 |
The KuMoHa 311 car is fitted with a single-arm pantograph. Between June 2006 and July 2008, all sets had their original lozenge pantographs replaced with single-arm pantographs.
Interior
File:Series311 Inside.jpg|Interior view File:Series311 Inside Priority-Seats.jpg|Priority seating File:Series311 Free-space.jpg|Wheelchair and stroller space File:Series311 Inside Toilet.jpg|Toilet File:Series311 Inside Clock.jpg|Digital clock and LED passenger information screen File:Series311 Inside Door.jpg|Door view
Withdrawal
Withdrawals of the 311 series fleet commenced on 18 May 2022, starting with sets G8 and G12. On 12 May 2025, JR Central announced that the last remaining sets are expected to be withdrawn from service by the end of June and a special tour involving sets G1 and G11 being sent for scrap is scheduled to take place on 12 July of that year.
The 311 series were retired from revenue service on 30 June 2025.
References
References
- Neko Publishing. (2006)
- (31 January 2021). "JR東海315系の投入スケジュール。初年度は8両編成を7編成".
- Saka. Masahiro. Tetsudō Daiya Jōhō Magazine. (March 2014)
- Tetsudō Daiya Jōhō. (August 2009)
- Kotsu Shimbunsha. (18 November 2015)
- (19 May 2022). "311系8両が西浜松へ". Koyusha Co., Ltd..
- (12 May 2025). "JR東海311系、6月末引退へ - 感謝の装飾を実施、廃車回送ツアーも".
- (2025-07-01). "". link. Koyusha Co., Ltd.
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