X1 was a series of two-car

electric multiple unit An electric multiple unit or EMU is a multiple-unit train consisting of self-propelled carriages using electricity as the motive power. An EMU requires no separate locomotive, as electric traction motors are incorporated within one or a numbe ...

s ( twin units) operated by Greater Stockholm Transport (SL) on the

Stockholm commuter rail Stockholm commuter rail ( sv, Stockholms pendeltåg) is the commuter rail system in Stockholm County, Sweden. The system is an important part of the public transport in Stockholm, and is controlled by Storstockholms Lokaltrafik. The tracks are ...

. 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 X60 may refer to: * Lifan X60, a 2011–present Chinese compact SUV * SL X60, a commuter train used in Stockholm, Sweden * ThinkPad X60, a series of laptops and tablets * Saber Radar X60, an air defense radar unit developed by the Brazilian Army ...

. 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 The Stockholm metro ( sv, Stockholms tunnelbana) is a rapid transit system in Stockholm, Sweden. The first line opened in 1950, and today the system has 100 stations in use, of which 47 are underground and 53 above ground. There are three colou ...

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. An X1 train was used as a test train during the development of the high speed train

X2000 ''X2000'' is a 1998 short film directed by François Ozon. Plot A naked man ( Bruno Slagmulder) wakes up in a luxury loft, which is a residential building in an unidentified European city, after a particularly wild New Year's Eve party of the ...

, with technologies and techniques such as tilt being added, that would later make it into the final train (X2000). With these adjustments, this X1 train managed to reach a speed of 222 km/h during testing, which was a new record for the train. They were completely compatible with the X10 introduced in the 1980s. The X1 began to be taken out of service in 2004 and were planned to be completely retired in 2007/2008. Due to problems with the new

trains the deadline was delayed several times. The last X1 units were taken out of service in April 2011. One unit has been preserved at the Swedish Railway Museum in

Gävle Gävle () is a city in Sweden, the seat of Gävle Municipality and the capital of Gävleborg County. It had 77,586 inhabitants in 2020, which makes it the 13th most populated city in Sweden. It is the oldest city in the historical Norrland (Swede ...

https://www.jarnvagsmuseet.se/globalassets/jarnvagsmuseet/dokument/samlingar/fordon/t_fordonslistor_jarnvagsmuseets-stjarnor.pdf File:Pendeltåg i Nynäshamn, 1975.jpg, SL X1 in original livery at Nynäshamn, 1975 File:Nedisat Pendeltåg.jpg, X1 in winter, 2006

References

External links

*
Järnväg.net on X1

Swetramway on X1
{{Swedish railway stock ASEA multiple units Rail transport in Stockholm X1 15 kV AC multiple units