The Y class was a class of 18 diesel locomotives built by

British Thomson-Houston British Thomson-Houston (BTH) was a British engineering and heavy industrial company, based at Rugby, Warwickshire, England, and founded as a subsidiary of the General Electric Company (GE) of Schenectady, New York, United States. They were kno ...

and Clayton Equipment Company for the Western Australian Government Railways between 1953 and 1955.

supplied the electrical control equipment but the mechanical work, assembly and testing was carried out by Clayton Equipment Company at their premises in Hatton, Derbyshire. The locomotives carried separate builders plates for each company. They were used as shunters, primarily in Perth and

Fremantle Fremantle () () is a port city in Western Australia, located at the mouth of the Swan River in the metropolitan area of Perth, the state capital. Fremantle Harbour serves as the port of Perth. The Western Australian vernacular diminutive for ...

although some did haul freight services in the Geraldton and Pinjarra areas. They were withdrawn by 1990 with seven being preserved.

References

{{WAGR Locomotives, state=collapsed Bo-Bo locomotives BTH locomotives Y class Railway locomotives introduced in 1953 3 ft 6 in gauge locomotives of Australia Diesel-electric locomotives of Australia