Technical
The X2 was designed for old main lines with tight curves and with continuously welded rails (the train has a maximum axle load of 17 tonnes (16.7 long tons; 18.7 short tons), which causes large forces on the track). However, since 1990 a lot of new high speed lines have been constructed in Sweden, both upgrades lines and new lines. These upgraded or new lines always have ATC, continuously welded rails on concrete sleepers and no crossings with road and rail at the same level. The tilting function is not used on these lines.
The max power continuous output of the locomotive is 3,260 kW (4,370 hp), which is comparatively low for a fast train. It also enabled SJ to say that it does not consume more power at 200 km/h (120 mph) than older Rc- locomotive hauled trains at 130 km/h (81 mph).
Read more about this topic: SJ X2
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