An updated 7000 Series operating on the Keio Line (Courtesy of Uraken.net)

A 7000 Series with bead-pressed side panels (Courtesy of Hahifuheho)

A 7000 Series before modifications circa 1988 (Courtesy of Hahifuheho)

Keio 7000 Series

Operated on the Operated on the Keio Line, Sagamihara Line, Keibajo Line, Takao Line, Dobutsuen Line, Keio New Line and theToei Subway Shinjuku Line

In Service: 1984 - Present 
Top Speed: 110km/h (Service and design)
Acceleration: 2.5km/h/s
Deceleration:
4.0km/h/s (Regular)
4.5km/h/s (Emergency)
Length: 20000mm
Width: 2800mm
Consist/Formation:
2 motorized cars + 2 trailer cars (4 cars)
4 motorized cars + 2 trailer cars (6 cars - field chopper)
3 motorized cars + 3 trailer cars (6 cars - VVVF)
5 motorized cars + 3 trailer cars (8 cars - field chopper)
4 motorized cars + 4 trailer cars (8 cars - VVVF)
6 motorized cars + 4 trailer cars (10 cars - field chopper)
5 motroized cars + 5 trailer cars (10 cars - VVVF)
Electric System: 1500v DC through overhead wires
Gauge: 1372mm (Scotch)
Number built: 190 cars

The 7000 Series is a four-door commuter-type electric multiple unit designed by Keio and operated on the Keio Line and Toei Shinjuku Line.

During the 1960s, Keio introduced the 3000 Series to the Inokashira Line. It was one of the first train cars to be constructed entirely of stainless steel. However, stainless steel cars would not be introduced to the Keio Line until the 7000 Series was built in 1984.

Trains built up until 1987 have corrugated side panels while trains built after that have bead-pressed side panels.

The outer dimensions of the 7000 Series are nearly identical to the earlier 6000 Series and is considered a minor update of that model. All were built with field-chopper control, but they are currently in the process of being updated to variable frequency drive with IGBT elements.