SL X1

X1

X1 in winter
In service 1968–2011
Manufacturer ASEA
Constructed 1967–75
Formation 2 cars
Fleet numbers 3001–3104
Capacity 196
Operator(s) Storstockholms Lokaltrafik
Line(s) served Stockholm commuter rail
Specifications
Train length 49,550 mm (162 ft 6.8 in)
(2 cars)
Maximum speed 120 km/h (75 mph)
Weight 78 t (76.8 long tons; 86.0 short tons)
Power output 1,120 kW (1,500 hp)
Electric system(s) 15 kV  16 2⁄3 Hz AC catenary
Current collection method Pantograph
Track gauge 1,435 mm (4 ft 8 1⁄2 in)

X1 was a series of two-car electric multiple units operated by Greater Stockholm Transport (SL) on the Stockholm commuter rail. The X1 was operated in sets of up to five units, making ten-car trains, each unit consisting of one motor car and one unpowered car. 104 units were built by ASEA in 1967–75 and were replaced by the new X60. The X1 also served as the foundation for the later X10–X14 series trains, built in the 1980s and 1990s.

History

The X1 was based on the SJ X6 taken into service in the 1960s, that had replaced locomotive-pulled trains. The X1 interior was based more on the Stockholm Metro with five-abreast seating and three doors per car. Since the start in 1968 the trains were renovated several times, although they look mostly the same today as they did in the 1960s. They were completely compatible with the X10 introduced in the 1980s. The X1 began to taken out of service in 2006 and were planned to be completely retired in 2007/2008. Due to problems with the new X60 trains the deadline was delayed several times. The last X1 units were eventually taken out of service on 1 April 2011.

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