731 series
| 731 series | |
|---|---|
731 series set G-116 in August 2009 | |
| Manufacturer | Kawasaki Heavy Industries, Hitachi |
| Replaced | 711 series |
| Constructed | 1996–2006 |
| Entered service | 24 December 1996 |
| Number built | 63 vehicles (21 sets) |
| Number in service | 63 vehicles (21 sets) |
| Formation | 3 cars per trainset |
| Fleet numbers | G-101–121 |
| Operators | JR Hokkaido |
| Depots | Sapporo |
| Lines served | Hakodate Main Line, Chitose Line |
| Specifications | |
| Car body construction | Stainless steel |
| Car length |
|
| Width | 2,800 mm (9 ft 2 in) |
| Height | 3,620 mm (11 ft 11 in) |
| Doors | 3 per side |
| Maximum speed | 130 km/h (81 mph) |
| Electric system(s) | 20 kV 50 Hz AC (overhead line) |
| Current collector(s) | Pantograph |
| Multiple working | 721 series, 733 series, 735 series, KiHa 201 series |
| Track gauge | 1,067 mm (3 ft 6 in) |
The 731 series (731系) is an AC electric multiple unit (EMU) train type operated by Hokkaido Railway Company (JR Hokkaido) on Sapporo area suburban services in Hokkaido, Japan since 1996.