AFM7 is a

Swedish Swedish or ' may refer to: Anything from or related to Sweden, a country in Northern Europe. Or, specifically: * Swedish language, a North Germanic language spoken primarily in Sweden and Finland ** Swedish alphabet, the official alphabet used by ...

passenger train car made by combining SJs 1980s-car with the drivers cab from the

Rc5 In cryptography, RC5 is a symmetric-key block cipher notable for its simplicity. Designed by Ronald Rivest in 1994, ''RC'' stands for "Rivest Cipher", or alternatively, "Ron's Code" (compare RC2 and RC4). The Advanced Encryption Standard (AES) c ...

locomotive and thus making it a

control car A control car, cab car (North America), control trailer, or driving trailer (UK and Ireland) is a non-powered rail vehicle from which a train can be operated. As dedicated vehicles or regular passenger cars, they have one or two driver compartm ...

History

Only three control cars of the type was made in 1988, they received the numbers 5543–5545. In the beginning the type was used on the Uppsalapendeln during the late 1980s and early 1990s. In the early 2000s, the type was used in

Skåne Scania, also known by its native name of Skåne (, ), is the southernmost of the historical provinces (''landskap'') of Sweden. Located in the south tip of the geographical region of Götaland, the province is roughly conterminous with Skåne C ...

in south of

Sweden Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> is a Nordic country located on ...

, but today it is once again used on the Uppsalapendeln, as it is one of the few lines left in Sweden that still run loco-hauled trains in regional traffic, particularly after the introduction of the ER1 trains in 2020-2021 on regional lines in the

Mälaren Valley The Mälaren Valley ( sv, Mälardalen), occasionally referred to as Stockholm-Mälaren Region (''Stockholm-mälarregionen''), is the easternmost part of Svealand, the catchment area of Lake Mälaren and the surrounding municipalities. The term is ...

. The original designation for the type was UA7R, but since the "U" is indicating that the type is a DMU or

EMU The emu () (''Dromaius novaehollandiae'') is the second-tallest living bird after its ratite relative the ostrich. It is endemic to Australia where it is the largest native bird and the only extant member of the genus ''Dromaius''. The emu' ...

, it was changed to AF7x and then changed again to the current designation AFM7. Since the AFM7 does not have its own engine, it needs a

Rc6 In cryptography, RC6 (Rivest cipher 6) is a symmetric key block cipher derived from RC5. It was designed by Ron Rivest, Matt Robshaw, Ray Sidney, and Yiqun Lisa Yin to meet the requirements of the Advanced Encryption Standard (AES) competition. T ...

locomotive in order to be able to use the drivers cab. The type features the same ATC system as the Rc locomotives. The passenger section of the type features first class seating as well as a storage space for luggage between the passenger compartment and the drivers cab. The type was modernised as a part of SJs modernisation program for the 1980s-cars. The AFM7s are currently featuring the regular black SJ livery, and features the overall current SJ design, it also features 230 V electrical outlets by the seats. The AFM7 is also equipped with MD-S bogies, featuring disc brakes. This makes the cars more silent and stop smoother. Since 2016, the type isn't used as a control car anymore and is instead used as a regular 1st class car in push pull configuration, with one

in each end of the train.

References

* {{Swedish railway stock Rolling stock of Sweden Passenger railroad cars