SJ X12

X12
SJ X12 outside Borås in 2008
In service1991–present
ManufacturerAsea Brown Boveri
Constructed1991–1994
Number built18
Fleet numbers3190-3197, 3214-3223
OperatorsStatens Järnvägar
Specifications
Train length49,868 mm (163 ft 7.3 in)
Maximum speed160 km/h (100 mph)
Weight103 tonnes (101 long tons; 114 short tons)
Power output1,280 kW (1,720 hp)
Electric system(s)15 kV  16.7 Hz AC catenary
Current collector(s)Pantograph
Track gauge1,435 mm (4 ft 8+12 in)

The X12 is a series of two-car electric multiple units operated by Statens Järnvägar (SJ) of Sweden as local trains. Eighteen units were built by Asea Brown Boveri in 1991–94, based on the somewhat older X10. From 1997 until 2003 three units were also used by Upplands Lokaltrafik. Two of the units have been converted to the successor X14. As SJ since 2021 have replaced their X12-trains with X50, X52 and ER1 trains, Västtrafik is currently the only operator of X12.

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