Seibu 101 series

Electric multiple unit train of Seibu Railway

Lineup of 101 series trains at Yokoze yard on December 9, 2012

The Seibu 101 series (西武101系) and New 101 series (新101系) are electric multiple unit (EMU) train types operated by the private railway operator Seibu Railway in Japan.

## Original 101 series

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Seibu 101 series

A Seibu 101 series train in December 2012 at Yokoze rail yard

Manufacturer| Seibu Tokorozawa railway works
Constructed| 1968–1976 [1]
Entered service| March 5, 1969 [1]
Number built| 278 vehicles
Number in service| None
Formation| 2/4/6/8 cars per trainset
Operators| Seibu Railway
Specifications
Car length| 20,000 mm (65 ft 7 in)
Doors| 3 pairs per side[1]
Maximum speed| 105 km/h (65 mph)
Traction system| Resistor control
Traction motors| HS-836-Nrb
HS-836-Prb
Power output| 150 kW (201 hp)[1]
Acceleration| 2.3km/h/s
Deceleration| 3.5km/h/s (Service) 4.5km/h/s (Emergency)
Electric system(s)| 1,500 V DC overhead catenary
Current collector(s)| Pantograph
Safety system(s)| ATS
Track gauge| 1,067 mm (3 ft 6 in)

The 101 series began service in 1969, in conjunction with the opening of the Seibu Chichibu Line.[2]

## New 101 series and 301 series

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Seibu New 101 series

A Seibu New 101 series train

Manufacturer| Seibu Tokorozawa railway works, Tokyu car cooperation
Constructed| 1979–1984
Entered service| 1979 [3]
Number built| 154 vehicles
Formation| 2/4/8 cars per trainset
Operators| Seibu Railway
Specifications
Car length| 20,000 mm (65 ft 7 in)[1][3]
Width| 2,881 mm (9 ft 5.4 in)[1][3]
Height| 4,065 mm (13 ft 4.0 in)[1][3]
Floor height| 880 mm (2 ft 11 in)[1][3]
Doors| 3 pairs per side[1]
Maximum speed| 105 km/h (65 mph)
Traction system| Resistor control
Traction motors| HS-836-Nrb
HS-836-Prb
Power output| 150 kW (201 hp)[1]
Acceleration| 2.3km/h/s
Deceleration| 3.5km/h/s (Service) 4.5km/h/s (Emergency)
Electric system(s)| 1,500 V DC overhead catenary
Current collector(s)| Pantograph
Safety system(s)| ATS
Track gauge| 1,067 mm (3 ft 6 in)

The New 101 series features changes in design.[4] The 301 series is based on the New 101 series,[5] and were formed as eight-car sets.[2]

* Interior view

* Priority seating

* Wheelchair space

## Resale

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The Chichibu Railway 6000 series trains were rebuilt from former Seibu New 101 series trains.[6] Sangi Railway operates former New 101 series trains as Sangi Railway 751 series.[7] Former Seibu New 101 series trains were also transferred to Ryutetsu, becoming Ryutetsu 5000 series trains.[8]

* Chichibu Railway 6000 series

* Sangi Railway 751 series

* Ryutetsu 5000 series

## Livery variations

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In 2018, one set received a livery resembling the Ohmi Railway 100 series.[9] Other livery variations include a set in Izuhakone Railway livery,[10] and a set in red and beige livery.[11]

* 101 series in Ohmi Railway livery

* Set 1249 in Izuhakone Railway-style livery

* Red and beige livery

## Preserved examples

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* KuHa 1150: used as a library room at the Kumegawa Train Library in Higashimurayama, Tokyo.[12]
* KuHa 1224: preserved at Yokoze yard.[1]
* KuHa 1262: exhibited outside the MetLife Dome in Tokorozawa, Saitama.[13]

* Kumegawa Train Library

* KuHa 1224 at Yokoze yard in December 2012

* KuHa 1262 in May 2021

## References

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1. ^ a b c d e f g h i j k 徹底カラー図解 西武鉄道のしくみ [Thorough color illustration - How Seibu Railway works] (in Japanese). Mynavi Publishing. 2016. pp. 88, 89, 155. ISBN 978-4839959975.
2. ^ a b "西武鉄道101系・301系が引退－引退後は他線や譲渡へ". nerima.keizai.biz (in Japanese). December 10, 2012. Archived from the original on June 21, 2020. Retrieved June 21, 2020.
3. ^ a b c d e 11路線の前面展望映像 西武鉄道100周年 DVD BOOK [Front view of 11 railway lines Seibu railway 100th anivversary DVD BOOK] (in Japanese). Meddiax mook. 2013. pp. 60, 61, 62, 63. ISBN 978-4-86201-419-1.
4. ^ "西武多摩湖線にオリジナル色の101系…イエロー＆ベージュ 「赤電」に続いて3月24日から". response.jp (in Japanese). IID, Inc. March 19, 2018. Archived from the original on June 21, 2020. Retrieved June 22, 2020.
5. ^ 小佐野 景寿 (August 12, 2019). "西武101系､走り続ける｢黄色い電車｣の元祖". Toyo Keizai Online (in Japanese). Archived from the original on December 7, 2019.
6. ^ 星川功一 (December 22, 2018). "これだけ多彩な魅力が潜む路線も珍しい — 祝SL復活！乗って見て遊ぶ「秩父再発見」の旅". GetNavi web (in Japanese). Archived from the original on June 21, 2020. Retrieved June 21, 2020.
7. ^ 星川功一 (April 6, 2019). "鈴鹿山脈を眺めて走る三重のローカル私鉄−−10の新たな発見に胸ときめく". GetNavi web (in Japanese). Archived from the original on June 21, 2020. Retrieved June 21, 2020.
8. ^ "流鉄5000系が甲種輸送される". Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. June 23, 2009. Archived from the original on June 21, 2020. Retrieved June 21, 2020.
9. ^ Ueshin, Daisuke (June 2, 2018). "西武鉄道、近江鉄道100形カラー101系も公開「電車フェスタ」開催". news.mynavi.jp (in Japanese). Mynavi Corporation. Archived from the original on June 21, 2020. Retrieved June 21, 2020.
10. ^ "【西武】新101系261編成 伊豆箱根色に". rail.hobidas.com (in Japanese). Neko Publishing. February 27, 2018. Archived from the original on June 21, 2020. Retrieved June 21, 2020.
11. ^ "【西武】新101系259編成 赤電塗装で出場". rail.hobidas.com (in Japanese). Neko Publishing. October 12, 2018. Archived from the original on June 21, 2020. Retrieved June 21, 2020.
12. ^ "東村山・くめがわ電車図書館で「夜桜開館」 好評得て2度目、グッズ販売も". kitatama.keizai.biz (in Japanese). March 25, 2019. Archived from the original on June 21, 2020. Retrieved June 21, 2020.
13. ^ "西武101系、メットライフドーム「トレイン広場」に展示". Tetsudo Shimbun (in Japanese). December 20, 2020. Archived from the original on December 24, 2020. Retrieved December 24, 2020.

## External links

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Wikimedia Commons has media related to Seibu 101 series.

* Seibu Railway website (in Japanese)

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Seibu Railway trainsets

Commuter EMUs|

* 101 series
* 2000 series
* 4000 series
* 6000 series
* 8500 series
* 9000 series
* 20000 series
* 30000 series
* 40000 series

Limited express EMUs|

* 001 series
* 10000 series

Future EMUs|

* Odakyu 8000 series
* Tokyu 9000 series

Withdrawn EMUs|

* 301 series
* 401 series
* 601 series
* 701 series
* 3000 series
* 5000 series

Locomotives|

* Class E851
* Class E31
* ED10

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