T45 is a Swedish

diesel-electric locomotive A diesel locomotive is a type of railway locomotive in which the power source is a diesel engine. Several types of diesel locomotives have been developed, differing mainly in the means by which mechanical power is conveyed to the driving whee ...

operated by

Swedish State Railways The Swedish State Railways () or SJ, originally the Royal Railway Board (), was the former government agency responsible for operating the state-owned railways in Sweden. History The Swedish State Railways was created on 1 June 1888 as an ...

() and later other companies. It was in passenger service with SJ from 1971 to 1976, after which it was used in

heavy industry Heavy industry is an industry that involves one or more characteristics such as large and heavy products; large and heavy equipment and facilities (such as heavy equipment, large machine tools, huge buildings and large-scale infrastructure); o ...

. It is the only diesel locomotive to be built by

Allmänna Svenska Elektriska Aktiebolaget ''Allmänna Svenska Elektriska Aktiebolaget'' ( English translation: General Swedish Electrical Limited Company; Swedish abbreviation: ASEA) was a Swedish industrial company. History ASEA was founded in 1883 by Ludvig Fredholm in Västerås ...

(ASEA). The loco used a

SEMT Pielstick SEMT Pielstick was a French company that designed and built large diesel engines. Its full name was (Company of Thermal Machines Studies). Founded in 1948, SEMT was bought by MAN Diesel in 2006 During its existence as an independent compan ...

diesel engine. ASEA used the same

bogie A bogie ( ) (or truck in North American English) comprises two or more Wheelset (rail transport), wheelsets (two Railroad wheel, wheels on an axle), in a frame, attached under a vehicle by a pivot. Bogies take various forms in various modes ...

s and electrical systems as on the Rc locomotive, while

Thune Thune may refer to: * Thune (company), a Norwegian manufacturing company * Thune (surname), a Norwegian name (includes a list of people with the name) * Thune (station), light rail station on the Oslo Tramway * Thune (Lippe), a river of North Rhine ...

of Norway built the mechanical parts.

History

ASEA ''Allmänna Svenska Elektriska Aktiebolaget'' ( English translation: General Swedish Electrical Limited Company; Swedish abbreviation: ASEA) was a Swedish industrial company. History ASEA was founded in 1883 by Ludvig Fredholm in Västerås ...

had been dominating the Swedish market for

electric locomotives An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or on-board energy storage such as a Battery (electricity), battery or a supercapacitor. Locomotives with on-board fuelled prime mover (locomotive), ...

, but Nykvist & Holm had been dominating the diesel segment. In the late 1960s ASEA decided to enter the diesel market, and in 1969 SJ ordered five units, with delivery in 1971-72. They were dispatched in

Borlänge Borlänge () is a Urban areas in Sweden, locality in Dalarna County, Sweden, with 44,898 inhabitants as of 2020. It is the seat of the Borlänge Municipality which as of 2017 had a total population of 51,604 inhabitants. History Originally Bor ...

. In 1976 SJ returned them back to ASEA due to them not being reliable enough and that SJ didn't want another diesel engine class. ASEA tried to sell the locos abroad, but only one was sold to Norway. The remaining were sold to industrial companies in Sweden, including the iron mills in

Avesta The Avesta (, Book Pahlavi: (), Persian language, Persian: ()) is the text corpus of Zoroastrian literature, religious literature of Zoroastrianism. All its texts are composed in the Avestan language and written in the Avestan alphabet. Mod ...

and

Hofors Hofors () is a Urban areas in Sweden, locality and the seat of Hofors Municipality, Gävleborg County, Sweden with 6,681 inhabitants in 2010. Districts *Born *Böle *Bönhusberget *Centrum *Göklund *Hammaren *Lillån *Muntebo ...

References

External links

Järnväg.net on T45
{{Swedish railway stock ASEA locomotives Thune locomotives T45 Bo′Bo′ locomotives Railway locomotives introduced in 1971 Standard-gauge locomotives of Norway