Sotetsu 7000 series

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Sotetsu 7000 and new 7000 series
7000 series EMU in October 2008
In service	1975–2020
Manufacturer	Hitachi Rail
Number built	140 cars
Number in service	4 cars 2 sets
Number scrapped	136 cars
Formation	2, 8 or 10 cars per set
Operators	Sotetsu
Depots	Kashiwadai
Specifications
Car body construction	Aluminum
Car length	20 m (65 ft 7 in)
Width	2,800 mm (110 in)
Doors	4 pairs per side
Maximum speed	110 km/h (68.4 mph)
Acceleration	2.5 km/(h⋅s) (1.6 mph/s)
Electric system(s)	1,500 V DC
Current collector(s)	Overhead
Bogies	Hitachi KH series
Braking system(s)	Hitachi HSC
Safety system(s)	ATS-P
Track gauge	1,067 mm (3 ft 6 in)

The Sotetsu 7000 series (相鉄7000系) and Sotetsu New 7000 series (相鉄新7000系) were DC electric multiple unit (EMU) commuter train types operated by Sagami Railway (Sotetsu) in Kanagawa Prefecture, Japan. They were designed to operate as eight-car or ten-car sets.

Built from 1975 by Hitachi in Yamaguchi Prefecture. A total of 80 cars were built, and withdrawn by 2019. Four cars were converted in 2006 and numbered 701–704, and used as measurement train as well as shunter.

They had lightweight aluminum bodies, like the 5000 series and 2100 series EMUs.

Initially, 7700 (Tc), 7500 (Tc) and 7100 (M) cars were built. From 1983, 7000 (Mc) and 7600(T) cars were added to form 10-car and 8-car sets.

From 1986, the front-end design of the 7000 series was changed. To differentiate between the original 7000-series cars, those with the new design are referred to as the new 7000 series (新7000系). Some EMUs in this series use variable-frequency drive motors.

A total of 60 cars were built and initially operated only as ten-car sets, but some fleets were shortened to 8-car from 2006. All fleets have been replaced with 20000 series by 2020.

The 7000 series and New 7000 series have been refurbished, since 2008, with the following changes.

• Revised livery (New 7000 series only)
• New electric horn
• Air conditioners changed to new type using environmentally friendly freon
• Single-arm pantographs in place of original lozenge pantographs
• Improved interior fluorescent lighting.

The company plans to build a new line linking to East Japan Railway Company (JR East), and so Sotetsu began to change the original safety system to the standard JR type.

Wikimedia Commons has media related to Sagami Railway 7000 series.

• Sagami Railway - Railcar image gallery (in Japanese)