Keio 8000 series

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Keio 8000 series
White commuter train on railroad track
An 8000 series train in 2006
In service1992 – Present
ManufacturerNippon Sharyo, Tokyu Car Corporation
Constructed1992 - 1999, 2009
Number built245 vehicles
Number in service244 vehicles
Number scrapped1 vehicle (accident damage)
Formation10/8/6/4 cars per trainset
OperatorsKeio Corporation
Specifications
Car body constructionStainless steel
Car length20 m (65 ft 7 in)
Doors4 pairs per side
Maximum speed110 km/h (68 mph)
TransmissionVariable frequency (IGBT)
Acceleration2.5 km/h/s
Deceleration4.0 km/h/s (4.5 km/h/s for emergency brake)
Electric system(s)1,500 V DC
Current collector(s)Overhead
Track gauge1,372 mm (4 ft 6 in)

The Keio 8000 series (京王8000系) is an electric multiple unit (EMU) train type operated by the private railway operator Keio Corporation on commuter services in the Tokyo area of Japan since 1992.

Technical details

An eight-car set
Driver's cab
  • MT ratio
    • 0 subseries:
      • six-car set: 4M2T (4 motor cars and 2 trailers, motor cars have 4 motors)
      • four-car set: 2M2T
    • 20 subseries: eight-car set: 4M4T
  • Motor output: 150 kilowatts (200 hp)
  • Gear ratio: 6.07
  • Drive mechanism: Parallel cardan
  • Control system: GTO-VVVF
  • Headlights: Sealed beam
  • Destination indicators: roller-blind or 3-color LED
  • Passenger information displays: 3-color LED (4 per car)
  • Seating arrangement (intermediate cars): 4-7-7-7-4 on longitudinal bench seats

Body

The body is stainless steel. The front is steel.

Driver's cab

"T" shape one handle master-controller system. Digital speedometer. TNS (Train Navigation System).

  • Acceleration: 4 notch
  • Deceleration: 7 notch + emergency

Formations

As of 1 April 2015, the fleet consists of 14 ten-car sets and 13 eight-car sets (244 vehicles in total), formed as follows.[1]

  • c=Driver's cab; T=trailer, M=motor

0-subseries ten-car sets

← Shinjuku
                     
Keio-Hachiōji →
Tc M M M M T   T M M Tc
8701 8001 8051 8101 8151 8751 + 8801 8201 8251 8851
| | | | | |   | | | |
8713 8013 8063 8113 8163 8763 + 8813 8213 8263 8863
8714 8014 8064 8114 8164 8514 8564 8214 8264 8864

20-subseries eight-car sets

← Shinjuku
              
Keio-Hachiōji →
Tc M M T T M M Tc
8721 8021 8071 8521 8571 8121 8171 8771
| | | | | | | |
8733 8033 8083 8533 8583 8133 8183 8783

Interior

History

The first 8000 series trains were introduced in 1992.[2]

Six-car and four-cars sets (and occasionally a pair of four-car sets) used to be operated on splitting services which separated and re-joined at Takahatafudō Station until 2006. Now, all six-car and four-car 0-subseries sets are permanently formed as 10-car trains.[2]

The 8000-series trains are used exclusively on Keio Corporation lines. Unlike some other Keio trains, they do not continue past Shinjuku on to the Toei Shinjuku Line.

References

  1. ^ 私鉄車両編成表 2015 (in Japanese). Japan: Kotsu Shimbunsha. 23 July 2015. ISBN 978-4-330-58415-7. {{cite book}}: Unknown parameter |trans_title= ignored (|trans-title= suggested) (help)
  2. ^ a b 私鉄車両年鑑2013 (in Japanese). Tokyo, Japan: Ikaros Publications Ltd. 20 March 2013. p. 153. ISBN 978-4-86320-693-9. {{cite book}}: Unknown parameter |trans_title= ignored (|trans-title= suggested) (help)