Tobu 300 series
| Tobu 300 series | |
|---|---|
A 300 series set on a Kirifuri service in October 2007  | |
| In service | July 1991 – March 2022 | 
| Constructed | 1990–1991 | 
| Scrapped | 2017– | 
| Number built | 
  | 
| Number in service | None | 
| Number scrapped | 12 vehicles (2 sets) | 
| Successor | Tobu 500 series | 
| Formation | 4/6 cars per trainset | 
| Operators | Tobu Railway | 
| Depots | Kasukabe | 
| Lines served | Tobu Skytree Line, Tobu Nikko Line, Tobu Utsunomiya Line | 
| Specifications | |
| Car body construction | Steel | 
| Car length | 20 m (65 ft 7 in) | 
| Doors | One per side | 
| Maximum speed | 110 km/h (68 mph) | 
| Acceleration | 2.23 km/(h⋅s) (1.39 mph/s) | 
| Deceleration | 3.7 km/(h⋅s) (2.3 mph/s) (service) 5.0 km/(h⋅s) (3.1 mph/s) (emergency)  | 
| Electric system(s) | 1,500 V DC | 
| Current collector(s) | Overhead line | 
| Track gauge | 1,067 mm (3 ft 6 in) | 
The Tobu 300 series and 350 series (東武300系・350系, Tōbu 300/350-kei) were limited express electric multiple unit (EMU) train types operated by the private railway operator Tobu Railway in Japan from July 1991 until March 2022. Rebuilt from former 1800 series express sets, the trains were used on limited express and charter services on the Tobu Skytree Line and Tobu Nikko Line.