721 series
Japanese train type / From Wikipedia, the free encyclopedia
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Not to be confused with E721 series.
The 721 series (721系) is an AC electric multiple unit (EMU) operated by Hokkaido Railway Company (JR Hokkaido) on Sapporo area suburban services in Hokkaido, Japan since 1988.[2]
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Quick Facts In service, Manufacturer ...
721 series | |
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A pair of 721 series 3-car sets led by set F-3, August 2008 | |
In service | 1988–Present |
Manufacturer | Hitachi, JR Hokkaido, Kawasaki Heavy Industries, Tokyu Car |
Constructed | 1988–2003 |
Scrapped | 2023– |
Number built | 135 vehicles (34 sets) |
Number in service | 126 vehicles (31 sets) |
Formation | 3/6 cars per trainset |
Operators | ![]() |
Depots | Sapporo |
Lines served | Hakodate Main Line, Chitose Line |
Specifications | |
Car body construction | Stainless steel |
Car length | 21,670 mm (71 ft 1 in) (end cars) 21,300 mm (69 ft 11 in) (intermediate cars) |
Width | 2,954 mm (9 ft 8.3 in) |
Height | 4,090 mm (13 ft 5 in) |
Doors | 3 per side |
Maximum speed | 130 km/h (81 mph) |
Traction system | Thyristor drive (1st-5th batch) GTO–VVVF (6th-7th batch) IGBT–VVVF (8th batch)[1] |
Electric system(s) | 20 kV 50 Hz AC (overhead line) |
Safety system(s) | ATS-DN |
Multiple working | 731 series, 733 series, 735 series |
Track gauge | 1,067 mm (3 ft 6 in) |
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