T45 is a Swedish

diesel-electric locomotive A diesel locomotive is a type of railway locomotive in which the prime mover (locomotive), prime mover is a diesel engine. Several types of diesel locomotives have been developed, differing mainly in the means by which mechanical power is conv ...

operated by

Swedish State Railways The Swedish State Railways ( sv, Statens Järnvägar) or SJ, originally the Royal Railway Board ( sv, Kungl. Järnvägsstyrelsen), was the former government agency responsible for operating the state-owned railways in Sweden. It was created i ...

( sv, Statens Järnvägar, SJ) 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 as ...

(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 compa ...

diesel engine. ASEA used the same

bogie A bogie ( ) (in some senses called a truck in North American English) is a chassis or framework that carries a wheelset, attached to a vehicle—a modular subassembly of wheels and axles. Bogies take various forms in various modes of transp ...

s and electrical systems as on the

Rc locomotive The Rc class is the most used electric locomotive in Sweden. Rc is a universal locomotive used both in freight and passenger trains. The largest operator is Green Cargo, although SJ, Tågab, Hector Rail and the Swedish Transport Administration ...

, while

Thune Thunes Mekaniske Værksted A/S, Thune for short, was a Norwegian manufacturing company that among other things built locomotives. The production facilities were last located at Skøyen. History Thune traced its roots to a workshop founded by Ande ...

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 as ...

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 or a supercapacitor. Locomotives with on-board fuelled prime movers, such as diesel engines or gas t ...

, 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 locality in Dalarna County, Sweden with 44,898 inhabitants as of 2020. It is the seat of the Borlänge Municipality with a total population of 51,604 inhabitants as of 2017. History Originally Borlänge was the name of a tin ...

. 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 () is the primary collection of religious texts of Zoroastrianism, composed in the Avestan language. The Avesta texts fall into several different categories, arranged either by dialect, or by usage. The principal text in the litu ...

and

Hofors Hofors () is a 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 *Rönningen *Silverdale ...

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