Y3 was a series of

diesel Diesel may refer to: * Diesel engine, an internal combustion engine where ignition is caused by compression * Diesel fuel, a liquid fuel used in diesel engines * Diesel locomotive, a railway locomotive in which the prime mover is a diesel engine ...

railcar A railcar (not to be confused with the generic term railroad car or railway car) is a self-propelled railway vehicle designed to transport passengers. The term "railcar" is usually used in reference to a train consisting of a single coa ...

s operated by

Statens Järnvägar The Swedish State Railways () or SJ, originally the Royal Railway Board (), was the former Government agencies in Sweden, government agency responsible for operating the state-owned railways in Sweden. History The Swedish State Railways wa ...

(SJ) of Sweden. Six units were delivered by

Linke-Hofmann Alstom Transport Deutschland, formerly Linke-Hofmann-Busch, is a German manufacturing company originally established in Breslau (now Wrocław, Poland) to produce locomotives and rolling stock. Its origins lay in the wheelwright business of Gott ...

of Germany in 1966–67, with electrical equipment supplied by

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 ...

. They remained in service until 1990, serving first on the unelectrified services

Stockholm Stockholm (; ) is the Capital city, capital and List of urban areas in Sweden by population, most populous city of Sweden, as well as the List of urban areas in the Nordic countries, largest urban area in the Nordic countries. Approximately ...

–

Mora Mora may refer to: People * José Maria Mora (1847–1926), Cuban-American photographer, often credited as "Mora" * Mora (singer) (born 1996), a Puerto Rican singer * Mora (surname), a Spanish name (includes a list of people with the name) Plac ...

and

Malmö Malmö is the List of urban areas in Sweden by population, third-largest city in Sweden, after Stockholm and Gothenburg, and the List of urban areas in the Nordic countries, sixth-largest city in Nordic countries, the Nordic region. Located on ...

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Karlskrona Karlskrona (, , ) is a locality and the seat of Karlskrona Municipality, Blekinge County, Sweden with a population of 66,675 in 2018. It is also the capital of Blekinge County. Karlskrona is known as Sweden's only baroque city and is host to ...

, later on Ystadbanan. The Y3 served the same purpose as the electric X9-series. A variation of configurations was used, with the production consisting of six

motor cars An engine or motor is a machine designed to convert one or more forms of energy into mechanical energy. Available energy sources include potential energy (e.g. energy of the Earth's gravitational field as exploited in hydroelectric power gene ...

, two cab cars and eleven trailers. With motor cars on each end the Y3 could have six trailers between. Although considered to be the first double-decker train used in Sweden, only the first and last cars of a Y3 train were built to a design somewhat resembling a

dome car A dome car is a type of railway Passenger car (rail), passenger car that has a glass dome on the top of the car where passengers can ride and see in all directions around the train. It also can include features of a Coach (rail), coach, lounge c ...

, whereas the middle coaches were all single-decker (unlike in the X40 and Stadler DOSTO). The series was prone to fires, since the cooling system didn't work sufficiently for the extremely powerful Deutz diesel engines introduced in place of the slower and less powerful

Rolls-Royce Rolls-Royce (always hyphenated) may refer to: * Rolls-Royce Limited, a British manufacturer of cars and later aero engines, founded in 1906, now defunct Automobiles * Rolls-Royce Motor Cars, the current car manufacturing company incorporated in ...

engines. This was solved through rebuilding the cooling system in the 1970s. Some of the bilevel rail cars were taken out of service in 1982 when the Y3 series was relegated to local traffic on the Malmö – Ystad – Tomelilla route, with the last Y3 coaches retired in 1990.

External links

Järnväg.net on Y3
{{Swedish railway stock Y03 Y03 Double-decker rail vehicles Train-related introductions in 1966