Keiō 6000 series

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Keiō 6000 series
Two 5-car 6000 series sets

In service	1972 - Present
Formation	2/4/5/6/8 cars per trainset
Operator	Keio Corporation
Specifications
Car body	Steel
Car length	20 m
Maximum speed	110 km/h
Acceleration	2.5 km/h/s (3.3 km/h/s for 6030 series on Shinjuku Line)
Deceleration	4.0 km/h/s (4.5 km/h/s for emergency brake)
Gauge	1,372 mm
Voltage	1,500 V DC overhead

The 6000 series (京王電鉄6000系電車 Keiō 6000 kei densha) is an EMU which operates on the Keio Corporation. It was first introduced into service in 1972. It was the first rolling stock in Keio's history to be 20-meter-long with four doors per car side. Refurbishment of the cars took place in 1986 to extend their service life.

Two cars, 6707 and 6807, have been converted as maintenance cars. A four-car formation is in use on the Keio Dobutsuen Line as a driver-only-operated shuttle service.

[edit] Technical specifications

Motor output: 150 kW
Formation: 1M1T (cleared for Shinjuku Line), 2M2T, 3M2T (formed 3M2T+3M2T=6M4T), 4M2T, 5M3T (only on Keio corporation services), 6M2T (cleared for Shinjuku Line)
Control system: Chopper (initial car was resistance control but is now withdrawn)
Body : Steel constructed. Some have 5 doors, but some were rebuilt with 4 doors. Now 2M2T trains (only used on Dōbutsuen Line) and 4M2T trains have 5 doors, and 3M2T sets have rebuilt cars.