E721 series
| E721 / SAT721 / AB900 series | |
|---|---|
E721-0 series (right) and the SAT721 series variant (left), August 2007 | |
| Manufacturers | Kawasaki Heavy Industries, Tokyu Car Corporation, J-TREC |
| Replaced | 417, 455, 717 and 719 series |
| Constructed | 2006– |
| Entered service | February 2007 |
| Number under construction | 36 vehicles (9 sets) |
| Number built | 146 vehicles (63 sets) |
| Number in service | 142 vehicles (61 sets) |
| Number scrapped | 4 vehicles (2 sets, tsunami damage) |
| Formation | 2 or 4 cars per set |
| Fleet numbers | P1–P44, P501–P504, P4-1–P4-19, SA101–SA103 |
| Operators | JR East Sendai Airport Transit (SAT721) Abukuma Express (AB900) |
| Depot | Sendai |
| Lines served | |
| Specifications | |
| Car body construction | Stainless steel |
| Car length | 20,000 mm (65 ft 7 in) |
| Width | 2,950 mm (9 ft 8 in) |
| Floor height | 950 mm (3 ft 1 in) |
| Doors | 3 pairs per side |
| Maximum speed | 120 km/h (75 mph) |
| Power output | 125 kW (168 hp) per motor |
| Electric system | Overhead line, 20 kV 50 Hz AC |
| Current collection | Pantograph |
| Bogies | DT72 (motored), TR256 (trailer) |
| Safety system | ATS-Ps |
| Multiple working | 701 series |
| Track gauge | 1,067 mm (3 ft 6 in) |
The E721 series (Japanese: E721系) is an AC electric multiple unit (EMU) train type operated by East Japan Railway Company (JR East) on services in the Sendai area of Japan since February 2007.
Variants
- E721-0 series 2-car sets, since February 2007
- E721-500 series 2-car sets, since March 2007
- E721-1000 series 4-car sets, since November 2016
- SAT721 series 2-car sets, since March 2007 (owned by Sendai Airport Transit)
- AB900 series 2-car sets, since July 2019
-
E721-0 series set P-4 in March 2007
-
E721-500 series set P-502 in November 2007
-
E721-1000 series set P4-14 in January 2017
-
SAT721 series set SA101 in December 2025
-
AB900 series set AB-1 on delivery at Zushi Station in February 2019
Operations
- ■ Banetsu West Line (since March 2017)[1]
- ■ Joban Line
- ■ Senzan Line
- ■ Sendai Airport Line (E721-500 series and SAT721 series only)
- ■ Tohoku Main Line
- ■ Abukuma Express Line (AB900 series)
Formations
As of 1 October 2015, the fleet consists of 42 two-car E721-0 series sets (P-2 to P-44), four E721-500 series two-car sets (P-501 to P-504), and three SAT721 series two-car sets (SA101 to SA103), formed as follows with one motored (Mc) and one trailer (Tc') car.[2]
E721-0 series
| Designation | Mc | Tc' |
|---|---|---|
| Numbering | KuMoHa E721-xx | KuHa E720-xx |
The KuMoHa cars have one PS109 single-arm pantograph. The KuHa cars have a toilet.[2]
E721-500 series
| Designation | Mc | Tc' |
|---|---|---|
| Numbering | KuMoHa E721-50x | KuHa E720-50x |
The KuMoHa cars have one PS109 single-arm pantograph. The KuHa cars have a toilet.[2]
E721-1000 series
The 19 four-car E721-1000 series sets (P4-1 to P4-19) are formed as follows, with two motored ("M") cars and two non-powered trailer ("T") cars.[3] The KuHa E720 is located at the southern end.[3]
| Designation | Tc' | M | T | Mc |
|---|---|---|---|---|
| Numbering | KuHa E720-10xx | MoHa E721-10xx | SaHa E721-10xx | KuMoHa E7210-10xx |
| Weight (t) | 34.3 | 32.0 | 37.2 | 39.1 |
| Capacity (seated/total) | 50/132 | 62/152 | 56/138 | |
The two motored cars (KuMoHa and MoHa) each have one PS109 single-arm pantograph.[3] The KuHa cars have a toilet.[3]
-
The interior of car KuMoHa E721-1005 of set P4-5 in January 2017
-
An LED passenger information panel above the doorway in car KuMoHa E721-1005 of set P4-5 in January 2017
SAT721 series
The two-car SAT721 series sets are formed as follows.
| Designation | Mc | Tc' |
|---|---|---|
| Numbering | SAT721-10x | SAT720-10x |
The KuMoHa cars have one PS109 single-arm pantograph. The KuHa cars have a toilet.[2]
-
The interior of car SAT721-101 in April 2017
-
Priority seating and luggage space in car SAT721-101 in April 2017
AB900 series
The Abukuma Express AB900 series are derived from the E721-500 and SAT721 series used for JR East.
Sets are formed as follows.
| Set | Numbering | |
|---|---|---|
| AB-1[4] | AB901-1 | AB900-1 |
| AB-2[5] | AB901-2 | AB900-2 |
| AB-3[6] | AB901-3 | AB900-3 |
| AB-4[7] | AB901-4 | AB900-4 |
| AB-5[7] | AB901-5 | AB900-5 |
History
The first E721-0 series sets were delivered from December 2006, and entered service on 1 February 2007 on Tohoku Main Line services.[2] The first E721-500 and SAT721 series sets were delivered from February 2006 and entered service on Sendai Airport services on 18 March 2007.[2]
Two sets, P-1 and P-19, were derailed and badly damaged by the 2011 Tōhoku earthquake and tsunami on 11 March 2011 while at Shinchi Station. Both sets were written off and scrapped.[2]
-
The remains of sets P-1 and P-19 at Shinchi Station after the tsunami in 2011
The first of a fleet of 19 new four-car E721-1000 sets (76 vehicles in total) was introduced on 30 November 2016[8] on Tohoku Main Line, Joban Line, and Senzan Line services, replacing older 719 series units.[9] The new trains are built by J-TREC, with construction shared between the company's Yokohama and Niitsu factories.[9] These trains feature LED interior lighting.[9]
The first four E721-1000 series intermediate cars were delivered from J-TREC's Niitsu factory to its Yokohama factory in September 2016 to be combined with driving cars built there.[10]
In order to replace their 8100 series trains, Abukuma Express announced the order of new AB900 series trains in summer 2018.[4] They are based on the E721 series,[11] and are the first new trains for Abukuma Express since 1988.[12] The first AB900 series set was delivered in February 2019.[4] It entered service on 1 July 2019.[12]
Fleet/build details
The manufacturers and delivery dates for the fleet are as shown below.[2]
E721-0 series
| Set No. | Manufacturer | Date delivered | Date withdrawn |
|---|---|---|---|
| P-1 | Kawasaki Heavy Industries | 28 November 2006[13] | 12 March 2011[Note 1] |
| P-2 | 17 January 2007 | ||
| P-3 | |||
| P-4 | |||
| P-5 | Tokyu Car | 18 December 2006 | |
| P-6 | |||
| P-7 | Kawasaki Heavy Industries | 15 January 2007 | |
| P-8 | 6 February 2007 | ||
| P-9 | |||
| P-10 | 23 February 2007 | ||
| P-11 | |||
| P-12 | Tokyu Car | 15 January 2007 | |
| P-13 | |||
| P-14 | Kawasaki Heavy Industries | 28 February 2007 | |
| P-15 | |||
| P-16 | 8 March 2007 | ||
| P-17 | |||
| P-18 | 23 March 2007 | ||
| P-19 | 23 March 2007[13] | 12 March 2011[Note 1] | |
| P-20 | 23 March 2007 | ||
| P-21 | |||
| P-22 | 17 April 2007 | ||
| P-23 | |||
| P-24 | 27 April 2007 | ||
| P-25 | |||
| P-26 | |||
| P-27 | |||
| P-28 | 31 May 2007 | ||
| P-29 | |||
| P-30 | |||
| P-31 | |||
| P-32 | 6 July 2007 | ||
| P-33 | |||
| P-34 | Tokyu Car | 30 August 2007 | |
| P-35 | |||
| P-36 | 26 September 2007 | ||
| P-37 | |||
| P-38 | Kawasaki Heavy Industries | 2 November 2007 | |
| P-39 | |||
| P-40 | 13 September 2010 | ||
| P-41 | |||
| P-42 | |||
| P-43 | |||
| P-44 |
E721-500 series
The delivery of E721-500 series cars are as follows:
| Set No. | Manufacturer | Date delivered |
|---|---|---|
| P-501 | Kawasaki Heavy Industries | 17 February 2006 |
| P-502 | 30 September 2006 | |
| P-503 | ||
| P-504 | Tokyu Car | 25 October 2006 |
E721-1000 series
All manufactured by J-TREC.
| Set No. | Date delivered |
|---|---|
| P4-1 | 21 October 2016[14] |
| P4-2 | 26 October 2016[14] |
| P4-3 | 11 November 2016[14] |
| P4-4 | 16 November 2016[14] |
| P4-5 | 28 November 2016[14] |
| P4-6 | 1 December 2016[14] |
| P4-7 | 6 December 2016[14] |
| P4-8 | 14 December 2016[14] |
| P4-9 | 27 December 2016[14] |
| P4-10 | 26 December 2016[14] |
| P4-11 | |
| P4-12 | |
| P4-13 | |
| P4-14 | |
| P4-15 | |
| P4-16 | |
| P4-17 | |
| P4-18 | |
| P4-19 |
SAT721 series
All sets are manufactured by Kawasaki and delivered as of 20 November 2006.
| Set No. |
|---|
| SA101 |
| SA102 |
| SA103 |
AB900 series
All sets are manufactured by J-TREC.
| Set No. | Date delivered |
|---|---|
| AB-1 | 21 February 2019[4] |
| AB-2 | February 2020[5] |
| AB-3 | 25 January 2022[15] |
| AB-4 | |
| AB-5 |
See also
- Aoimori 703 series, a derivative for use on the Aoimori Railway
- Railway electrification in Japan
References
- ^ 磐越西線でE721系の運転開始 [E721 series enter service on the Banetsu West Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 9 March 2017. Archived from the original on 9 March 2017. Retrieved 9 March 2017.
- ^ a b c d e f g h JR電車編成表 2016冬 [JR EMU Formations – Winter 2016] (in Japanese). Japan: Kotsu Shimbunsha. 18 November 2015. pp. 28–29. ISBN 978-4-330-62315-3.
- ^ a b c d One, Akihiro (February 2017). E721系1000番台 [E721-1000 series]. Japan Railfan Magazine (in Japanese). Vol. 57, no. 670. Japan: Koyusha Co., Ltd. pp. 50–53.
- ^ a b c d "阿武隈急行AB900系が登場" [Abukuma Express AB900 series appeared]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 21 February 2019. Archived from the original on 11 August 2019. Retrieved 11 August 2019.
- ^ a b "【JR貨】【阿武隈急行】AB900系第2編成を甲種輸送" [(JR freight) (Abukuma Express) Transport of the second AB900 series set]. rail.hobidas.com (in Japanese). Neko Publishing. 20 February 2020. Retrieved 21 February 2020.
{{cite web}}: CS1 maint: deprecated archival service (link) - ^ "阿武隈急行AB900系AB-3編成が甲種輸送される". railf.jp. 25 January 2022. Retrieved 26 January 2022.
- ^ a b "阿武隈急行AB900系4・5号車、3/18運行開始 - フリー乗車券限定発売" [Abukuma Express AB900 Series 4 and 5 Cars Commence Operation on March 18 - Unlimited Ticket Release]. MyNavi Corporation (in Japanese). 16 March 2023. Retrieved 18 March 2023.
- ^ E721系1000番台が営業運転を開始 [E721-1000 series enters revenue service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 9 December 2016. Archived from the original on 4 January 2017. Retrieved 4 January 2017.
- ^ a b c E721系1000 代新造車両の投入について [Details of introduction of new E721-1000 series trains] (PDF). News release (in Japanese). Japan: East Japan Railway Company Sendai Division. 26 May 2016. Archived from the original (PDF) on 18 July 2020. Retrieved 27 May 2016.
- ^ E721系1000番台中間車が甲種輸送される [E721-1000 series intermediate cars transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 23 September 2016. Archived from the original on 23 September 2016. Retrieved 23 September 2016.
- ^ "阿武隈急行の新型車両AB900系電車が完成 JR貨物の「金太郎」にけん引されて福島へ" [Abukuma Express' new vehicle, the AB900 series train, is completed. Towed by JR Freight “Kintaro” to Fukushima]. excite.co.jp (in Japanese). Excite Japan Co., Ltd. 21 February 2019. Archived from the original on 11 August 2019. Retrieved 11 August 2019.
- ^ a b "『新型車両』始動！ＡＢ９００系 阿武隈急行、開業以来初導入" ["New vehicle" started! AB900 series Abukuma Express, first introduced since its opening]. minyu-net.com (in Japanese). The Fukushima Minyu Shimbun. 2 July 2019. Archived from the original on 11 August 2019. Retrieved 11 August 2019.
- ^ a b JR電車編成表 2010夏 [JR EMU Formations – Summer 2010] (in Japanese). Japan: Kotsu Shimbunsha. May 2010. p. 25. ISBN 978-4-330-14310-1.
- ^ a b c d e f g h i j JR車両のうごき [JR rolling stock changes]. Tetsudo Daiya Joho Magazine (in Japanese). Vol. 46, no. 395. Japan: Kotsu Shimbun. March 2017. p. 127.
- ^ "阿武隈急行AB900系AB-3編成が甲種輸送される" [Delivery of Abukuma Express AB900 series set AB-3]. Japan Railfan Magazine Online (in Japanese). Retrieved 18 March 2023.
External links
- JR East E721 series (in Japanese)