733 series
| 733 series | |
|---|---|
Set B-107 on a Hakodate Main Line local service, August 2024 | |
| In service | 1 June 2012 – present |
| Manufacturer | Kawasaki Heavy Industries |
| Built at | Kobe |
| Replaced | 721 series |
| Constructed | 2012–2018, 2024– |
| Number built | 177 vehicles (42 sets) as of June 2025 |
| Number in service | 105 vehicles (28 sets) as of 1 October 2015 |
| Formation | 3/6 cars per trainset |
| Fleet numbers |
|
| Operators | JR Hokkaido |
| Depots | Sapporo |
| Lines served | Hakodate Main Line, Sasshō Line |
| Specifications | |
| Car body construction | Stainless steel |
| Car length |
|
| Width | 2,892 mm (9 ft 5.9 in) |
| Floor height | 1,050 mm (3 ft 5 in) |
| Doors | 3 per side |
| Maximum speed |
|
| Traction system | N-MT731A |
| Power output | 230 kW (310 hp) per motor: 68 |
| Acceleration | 2.2 km/(h⋅s) (1.4 mph/s) |
| Electric system(s) | 20 kV AC (overhead catenary) |
| Current collector(s) | N-PS785 single-arm pantograph |
| Bogies | N-DT733 (motored), N-TR733 (trailer) |
| Safety system(s) | ATS-DN |
| Multiple working | 721 series, 731 series, 735 series |
| Track gauge | 1,067 mm (3 ft 6 in) |
The 733 series (733系) is an electric multiple unit (EMU) train type operated by Hokkaido Railway Company (JR Hokkaido) on suburban services in the Sapporo area of Hokkaido, Japan, since 1 June 2012.