301 series
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| 301 series | |
|---|---|
 301 series set K5 in February 2003 | |
| In service | 1966–2003 |
| Manufacturer | Kawasaki Heavy Industries, Nippon Sharyo |
| Constructed | 1966–1969 |
| Scrapped | 2003 |
| Number built | 56 vehicles (8 sets) |
| Number in service | None |
| Number preserved | None |
| Successor | E231-800 series |
| Formation | 10 cars per trainset (originally 7 cars) |
| Fleet numbers | K1–5 |
| Operators | JNR (1966–1987) JR East (1987–2003) |
| Depots | Mitaka |
| Lines served | Chuo-Sobu Line, Eidan Tozai Line |
| Specifications | |
| Car body construction | Aluminium |
| Car length | 20 m (65 ft 7 in) |
| Doors | 4 pairs per side |
| Maximum speed | 100 km/h (62 mph) |
| Electric system(s) | 1,500 V DC |
| Current collection | Overhead catenary |
| Safety system(s) | ATS-B/P, ATC |
| Multiple working | 103-1200 series |
| Track gauge | 1,067 mm (3 ft 6 in) |
The 301 series (301系) was an electric multiple unit (EMU) train type introduced in 1966 by Japanese National Railways (JNR), and later operated by East Japan Railway Company (JR East) on Chuo-Sobu Line and Tozai Line subway through-running services in Tokyo, Japan, until 2003.[1]
Broadly based on the 103 series commuter EMU,[1] the 301 series was designed specifically for use on through-running services with the Eidan Tozai Line (present-day Tokyo Metro Tozai Line) in Tokyo, and was the first aluminium-bodied rolling stock introduced on Japanese National Railways (JNR).[2]
When first delivered, the sets were finished with a clear acrylic paint, giving an unpainted appearance.[1] The sets were subsequently painted in light grey with a yellow bodyside stripe.[1] This was later changed to a light blue ("Blue No. 22") stripe to match the Tōzai Line line colour.[1][3]
For cost reasons, only 56 vehicles were built, and subsequent rolling stock built for Tozai Line through-running services was conventional steel-bodied 103-1200 series stock.[1]
Operations
The 301 series trains were based at Mitaka Depot in Tokyo throughout their service life, and were used on Chūō-Sōbu Line local and Tozai Line subway through-running services.[3]
Formations
Following reforming into 10-car sets, the fleet was formed as follows, with car 1 at the Nishi-Funabashi end and car 10 at the Mitaka end. Sets K1 and K2 included former KuHa 301 and KuMoHa 300 driving cars with driving cab equipment removed.[3]
Sets K1–2
| Car No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|
| Designation | Tc | M | M' | M | M'c | Tc | M | M' | M | M'c |
| Numbering | KuHa 301 | MoHa 301 | MoHa 300 | MoHa 301 | KuMoHa 300 | KuHa 301 | MoHa 301 | MoHa 300 | MoHa 301 | KuMoHa 300 |
Cars 2, 4, 7, and 9 were each equipped with one lozenge-type pantograph.[3]
Sets K3–5
| Car No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|
| Designation | Tc | M | M' | M | M' | T | M | M' | M | M'c |
| Numbering | KuHa 301 | MoHa 301 | MoHa 300 | MoHa 301 | MoHa 300 | SaHa 301-100 | MoHa 301 | MoHa 300 | MoHa 301 | KuMoHa 300 |
Cars 2, 4, 7, and 9 were each equipped with one lozenge-type pantograph. SaHa 301-101 was modified from former MoHa 301-4, and retained the original pantograph mounting points.[3]
Interior
Seating consisted of longitudinal bench seating throughout. Compared with the 103 series seating, seat width was increased by 5 cm (2.0 in) to 55 cm (22 in) per person.[1]
