KiHa 281 series
|KiHa 281 series|
KiHa 281 series on a Super Hokuto service, March 2008
|Manufacturer||Fuji Heavy Industries|
|Number built||27 vehicles|
|Number in service||27 vehicles|
|Formation||7-8 cars per trainset|
|Line(s) served||Hakodate Main Line|
|Car body construction||Stainless steel|
|Car length||21,300 mm (69 ft 11 in)|
|Width||2,863 mm (9 ft 4.7 in) (production cars)
2,820 mm (9 ft 3 in) (pre-production cars)
|Height||4,077 mm (13 ft 4.5 in)|
|Doors||1 per side|
|Maximum speed||130 km/h (80 mph)|
|Engine(s)||N-DMF11HZA (355 hp) x2 per car|
|Track gauge||1,067 mm (3 ft 6 in)|
The KiHa 281 series (キハ281系?) is a tilting diesel multiple unit (DMU) train type operated by Hokkaido Railway Company (JR Hokkaido) on Super Hokuto limited express services in Hokkaido, Japan since 1994. They were the first tilting trains to be operated by JR Hokkaido.
The fleet of 27 cars is normally formed into seven-car sets for use on Super Hokuto limited express services operating between Hakodate and Sapporo, and formations are sometimes lengthened to eight cars during busy periods.
7-car sets are normally formed as follows, with car 1 at the Sapporo end. Car 3 is a Green (first class) car.
|Numbering||KiHa 281||KiHa 280||KiRo 280||KiHa 280||KiHa 280||KiHa 280||KiHa 281|
Sets lengthened to 8 cars are normally formed as follows, with car 1 at the Sapporo end. Car 3 is a Green car.
|Numbering||KiHa 281||KiHa 280||KiRo 280||KiHa 280||KiHa 280||KiHa 280||KiHa 280||KiHa 281|
Individual vehicle types
- Nos. KiHa 281-901–902 (2 vehicles)
- No. KiHa 280-901 (1 vehicle)
Pre-production intermediate car built by Fuji Heavy Industries and delivered in October 1992. Seating capacity is 60. The width of the side doors was increased from 800 mm on the KiHa 281-901–902 cars to 1,030 mm.
- Nos. KiHa 281-1–6 (6 vehicles)
Production driving (control) cars built by Fuji Heavy Industries and delivered from 1993. Seating capacity is 48, with toilets.
- Nos. KiHa 280-1–4 (4 vehicles)
Production intermediate cars built by Fuji Heavy Industries and delivered from 1993. Seating capacity is 51, with wheelchair space, wheelchair-accessible toilets, and a telephone.
- Nos. KiHa 280-101–110 (10 vehicles)
Production intermediate cars built by Fuji Heavy Industries and delivered from 1993. Seating capacity is 60, with conductor's compartment, but no toilets.
- Nos. KiRo 280-1–4 (4 vehicles)
Production Green (first class) cars built by Fuji Heavy Industries and delivered from 1993. Seating capacity is 26, with conductor's compartment, toilets, and a smoking area.
Green car accommodation is scheduled to undergo a programme of refurbishment.
Two pre-production cars, KiHa 281-901 and KiHa 281-902, were delivered from Fuji Heavy Industries in January 1992 for evaluation and testing. A pre-production intermediate car, KiHa 280-901, also built by Fuji Heavy Industries, was delivered in October 1992 to form a 3-car set. The first two cars delivered used the same roller-tilting mechanism on the bogies as used on the earlier JR Shikoku 2000 series DMUs, whereas the third car delivered used a bearing-guide system. The pre-production 3-car train underwent test-running to evaluate the two different systems in the harsh winter conditions of Hokkaido. The later bearing-guide tilt mechanism proved superior, and this system was used on subsequent production trains delivered from 1993.
Entry into service
The KiHa 281 series entered revenue service from the start of the revised timetable on 1 March 1994. The new tilting trains operated at a maximum speed of 130 km/h (81 mph), reducing the journey time for the 318 km distance between Hakodate and Sapporo to 3 hours, shaving 30 minutes off the journey time for Hokuto services operated by KiHa 183 series DMUs.
The original "HEAT281" logo on cab sides of the pre-production trains was changed from "Hokkaido Experimental Advanced Train" to "Hokkaido Express Advanced Train" with the arrival of the production cars. This logo was later changed to "Furico 281" to match the style used on the newer KiHa 283 series trains.
- JR全車輌ハンドブック2009 [JR Rolling Stock Handbook 2009]. Japan: Neko Publishing. 2009. pp. 450–451. ISBN 978-4-7770-0836-0.
- Haraguchi, Takayuki (2009). Encyclopedia of JR's Railway Cars: JR全車輌. Japan: Sekai Bunka. p. 115. ISBN 978-4-418-09905-4.
- JR気動車客車編成表 '04年版 [JR DMU & Coaching Stock Formations - 2004]. Japan: JRR. 1 July 2004. p. 13. ISBN 4-88283-125-2.
- "JR北海道 グリーン車をリニュアル" [JR Hokkaido to refurbish Green cars]. Japan Railfan Magazine (Japan: Kōyūsha Co., Ltd.) 52 (609): p.60. January 2012.
- プロトタイプの世界 - Prototype World. Japan: Kōtsū Shimbunsha. December 2005. p. 113.
- "ブルーリボン賞・ローレル賞 選定車両一覧" [Blue Ribbon Award & Laurel Prize Winner List] (in Japanese). Japan: Japan Railfan Club. May 2011. Retrieved 14 January 2012.
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