281 series

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For the KiHa 281 series DMU operated by JR Hokkaido, see KiHa 281 series.
281 series
Jrwest 281.jpg
A 281 series train
In service 1994–
Manufacturer Kawasaki Heavy Industries, Kinki Sharyo
Family name Haruka
Constructed 1994–1995
Number built 63 vehicles
Number in service 63 vehicles
Formation 6/3 cars per trainset
Capacity 258
Operator(s) JR-West
Depot(s) Hineno
Line(s) served Tokaido Main Line, Osaka Loop Line, Hanwa Line, Kansai Airport Line
Car body construction Steel
Car length 20,740 mm (68 ft 1 in) (end cars)
20,000 mm (65 ft 7 in) (intermediate cars)
Width 2,920 mm (9 ft 7 in)
Height 3,550 mm (11 ft 8 in)
Maximum speed 130 km/h (80 mph)
Traction system Variable frequency (3-level GTO)
Acceleration 1.8 km/(h·s) (1.1 mph/s)
Electric system(s) 1,500 V DC overhead
Current collection method WPS27D scissors-type pantograph
Bogies WDT55 (motored)
WTR239 (trailer)
Braking system(s) Regenerative brake, electronically controlled pneumatic brakes, snow-resistant brake
Safety system(s) ATS-P, ATS-SW
Track gauge 1,067 mm (3 ft 6 in)

The 281 series (281系 Nihyaku-hachijūichi-kei?) is a DC electric multiple unit (EMU) train type operated by West Japan Railway Company (JR-West). It was introduced on September 4, 1994 for passengers travelling to/from Kansai International Airport. Provisions are made for luggage racks and dedicated luggage room.


Built jointly by Kinki Sharyo and Kawasaki Heavy Industries,[1] the trains are used on the Haruka limited express service via the Kansai Airport Line in 3- or 6-car formations.


Sets are based at Hineno Depot, and are formed as shown below.[2]

6-car sets[edit]

Car No. 1 2 3 4 5 6
Designation Tsc M T T1 M Tc
Numbering KuRo 280 MoHa 281 SaHa 281 SaHa 281-100 MoHa 281 KuHa 281

3-car sets[edit]

Car No. 7 8 9
Designation Tc T1 Mc
Numbering KuHa 280 SaHa 281-100 KuMoHa 281



  1. ^ Saka, Masahiro (March 2014). "JR第1世代の車両・現況と概要" [JR 1st-generation rolling stock: Current situation and overview]. Tetsudō Daiya Jōhō Magazine (in Japanese). Japan: Kōtsū Shimbun. 43 (359): 22. 
  2. ^ JR電車編成表 2012夏 [JR EMU Formations - Summer 2012]. Japan: JRR. May 2012. p. 159. ISBN 978-4-330-28612-9. 

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