|Built at||Kalmar Verkstad, Kalmar, Sweden (X50–X54 models)|
Bombardier Hennigsdorf works, Hennigsdorf, Brandenburg, Germany (X55 model)
|Formation||2 or 3 cars|
|Car body construction||Stainless steel|
|Train length||Two cars: 53.9 m (176 ft 10 in)|
Three cars: 80.5 m (264 ft 1 in)
|Width||3,450 mm (11 ft 3 7⁄8 in)|
|Maximum speed||180–200 km/h (110–120 mph)|
|Weight||Two cars: 120 t (118.1 long tons; 132.3 short tons)|
Three cars: 165 t (162.4 long tons; 181.9 short tons)
|Power output||Two cars: 1,590 kW (2,132 hp)|
Three cars: 2,120 kW (2,843 hp)
|Transmission||Westinghouse-Natal (WN) drive|
|Electric system(s)||15 kV 16.7 Hz AC catenary|
|Current collection method||Pantograph|
|Safety system(s)||ATC, ERTMS|
|Track gauge||1,435 mm (4 ft 8 1⁄2 in) standard gauge|
The Regina is a Swedish model of electric multiple unit passenger train, manufactured by Bombardier Transportation (formerly Adtranz). It is used by the national passenger railway SJ along with numerous regional and private operators, in variants designated X50, X51, X52, X53, X54 and X55, and in two-, three-, and four carriage models. The Regina is wider than other Swedish trains; at 3,450 mm (135 7⁄8 in), it allows five-across seating, increasing passenger capacity by 25 %. The car body is built of stainless steel, with only bolsters and coupler pockets made of mild steel. The length is 54 m (177 ft 2 in), 80 m (262 ft 6 in) and 105 m (344 ft 6 in), and the capacity 165-294 seats. A variant of the Regina is used in China as the CRH1.
Top speeds of various models range from 180 to 200 km/h (110 to 120 mph). As part of the Gröna tåget (‘the green train’) project, a modified X52 train set the Swedish rail-speed record of 303 km/h (188 mph) on 14 September 2008; the goal is to reach 250 km/h (160 mph) in regular service.
The existing Regina units are short trains built for local and regional service, but in late 2007 it was announced that SJ were ordering twenty units furnished for inter-city service. These trains, designated X55 (also marketed as SJ 3000), were delivered during 2011 and 2012, and are used on the routes connecting Stockholm with destinations like Sundsvall, Värmland and Dalarna, allowing the displaced X 2000 units to be used instead to lengthen the busy trains running to Gothenburg and Malmö. These units are four-carriage trains with a first-class section and an on-board bistro; four-across seating. There is an option for another 20 units.
- Bombardier Transportation (2008-05-22). "Bombardier Wins 221 Million Euro Order From Swedish State Railway For Environmentally-Friendly REGINA Trains". Retrieved 2008-08-10.
- SJs Presstjänst (2008-09-14). "SJs lokförare sprängde 300 kilometersvallen". SJ AB. Retrieved 2008-09-14.
- "Background". Gröna Tåget/Banverket. Retrieved 2008-01-28.
- Ulf Nyström (2007-12-28). "SJ köper nya snabbtåg". Göteborgs-Posten. Retrieved 2008-01-31.
- SJs Presstjänst (2008-05-22). "SJ köper 20 nya tåg för drygt två miljarder kronor". SJ AB. Retrieved 2008-08-10.
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