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| Hitachi Intercity Express Train | |
|---|---|
| Name | Hitachi Intercity Express Train |
| Caption | Hitachi-built intercity EMU |
| Manufacturer | Hitachi |
| Family | A-train |
| Introduced | 2007 |
| Formation | 5–10 cars per set |
| Capacity | variable |
| Operator | Various operators |
| Carbody | Aluminium |
| Maxspeed | 160–200 km/h |
| Traction | AC traction motors |
| Gauge | 1,435 mm |
Hitachi Intercity Express Train is a family of electric multiple units built by Hitachi, Ltd. for intercity passenger services in multiple countries. Developed from the Hitachi A-train concept and related to exports to operators such as East Japan Railway Company, Keisei Electric Railway, JR Kyushu, Keihan Electric Railway and overseas clients, the type emphasizes modular aluminium construction and distributed traction. The trains have been deployed in regional, intercity and airport link roles, featuring variants adapted for different gauges, electrification systems and service patterns.
The train family stems from Hitachi's post-1990s move to market the A-train modular platform, evolving alongside projects like the British Rail Class 395, the JR East E259 series, and the Shanghai Metro rolling stock deliveries. Early procurement programs linked Hitachi with companies including Nippon Sharyo, Kawasaki Heavy Industries, Mitsubishi Heavy Industries, and suppliers such as Toshiba Corporation and Mitsubishi Electric. Strategic partnerships involved financiers and operators such as East Japan Railway Company and international clients including MTR Corporation and Deutsche Bahn-related procurement consortia. The platform was intended to compete with contemporaries like the Bombardier Zefiro, Alstom Coradia, Siemens Desiro, and CAF Civity families.
Design originated from Hitachi's aluminium monocoque techniques refined at the Hitachi Rail Italy and Hitachi Rail facilities, integrating bogie designs influenced by Fuji Heavy Industries and Nippon Sharyo engineering teams. The modular carbody and coupler interfaces permitted customization for operators such as JR East, JR West, and municipal operators including Tokyo Metro and Osaka Metro for suburban-intercity interoperability. Development included testing at facilities like the National Railway Museum, York (evaluation exchanges), the Rail Research Experimental corridors, and trials on lines such as the Tōhoku Main Line and Shin-Ōu Line. Certification processes engaged agencies like the Ministry of Land, Infrastructure, Transport and Tourism, the Office of Rail and Road, and national safety authorities in export markets.
Construction uses aluminium extruded sections in the A-train family, incorporating Hitachi's modular joinery, with bogies often derived from collaborations with Kinki Sharyo or Sumitomo Metal Industries. Traction systems typically use three-phase AC traction motors with inverters supplied by Mitsubishi Electric or Toshiba, regenerative braking, and onboard transformers compatible with 1,500 V DC or 25 kV AC systems seen on Tōkaidō Main Line and international networks. Maximum speeds range from 160 km/h to 200 km/h depending on gearing and signalling like ETCS or domestic systems such as ATS-P and ATC. Safety equipment integrates train control and communication suites from vendors such as Siemens Mobility, Thales Group, and Alstom-branded subsystems. Wheelsets use standard gauge or narrow gauge configurations for lines including the Shinkansen-related networks and regional routes. Passenger information and diagnostics rely on systems interoperable with JR East depot software and third-party remote monitoring technologies used by DB subsidiaries.
Interior design emphasizes ergonomic seating styled in collaboration with Japanese design houses and suppliers like TOTO for sanitation fittings and Panasonic Corporation for infotainment components. Configurations range from high-density commuter layouts used by Keisei Electric Railway to 2+2 intercity seating used by operators such as JR Kyushu and airport express versions for clients like MTR Corporation serving Hong Kong International Airport. Accessibility features meet standards applied by bodies including ISO committees and national disability legislation, with wheelchair spaces, multi-language passenger information systems integrating with Google Transit feeds in some export markets, and HVAC systems tuned to regional norms (e.g., A/C ratings used in Southeast Asia climates). Luggage areas, onboard toilets, and power outlets follow specifications common to long-distance EMUs procured by Swiss Federal Railways and Nederlandse Spoorwegen.
Operators deploy variants on intercity corridors, airport links, and limited-stop services. Japanese services include deployments on corridors connecting metropolitan hubs such as Tokyo Station, Osaka Station, Hakata Station, and regional lines linking to airports like Narita International Airport and Kansai International Airport. Overseas operations mirror these roles in markets served by Hitachi Rail exports, with contractual frameworks often involving rolling stock leasing firms like ROSCOs in the UK and European operators such as Keolis and SNCF-associated fleets. Timetabling integrates with traffic management systems developed for networks including JR East and Network Rail, with maintenance windows coordinated with depot facilities like Tamachi Depot and overseas counterparts.
Maintenance practices follow preventive regimes incorporating condition-based monitoring using sensors supplied by Hitachi Vantara and industrial partners such as ABB and Schneider Electric. Overhaul cycles reference standards promulgated by bodies like the International Union of Railways and national authorities including the Ministry of Transport (Japan). Fire safety materials comply with international flammability standards overseen by agencies such as JIS committees and testing by firms like Bureau Veritas. Training for driver and maintenance crews has been coordinated with institutions such as Japan Transport Engineering Company training centers and international programs run by Hitachi Rail.
Over the service life, some sets underwent modifications for crashworthiness and accessibility following incidents and regulatory changes investigated by entities like the Japan Transport Safety Board and equivalents in export markets. Refits have included traction upgrades with inverters from Siemens or Mitsubishi Electric, interior refurbishments influenced by passenger feedback collected via surveys administered by operators such as JR Kyushu and Keisei Electric Railway, and software updates to signalling interfaces with providers like Thales Group and Alstom to support ETCS Level transitions. Notable service disruptions prompted fleet-wide inspections overseen by operators and national safety boards, leading to secondary safety improvements co-developed with technology suppliers including Toshiba Corporation and Panasonic Corporation.
Category:Hitachi rolling stock