The WAGR Dd class was a class of

4-6-4T Under the Whyte notation for the classification of locomotives, represents the wheel arrangement of four leading wheels, six powered and coupled driving wheels and four trailing wheels. In France where the type was first used, it is known as the ...

tank locomotive A tank locomotive or tank engine is a steam locomotive that carries its water in one or more on-board water tanks, instead of a more traditional tender. Most tank engines also have bunkers (or fuel tanks) to hold fuel; in a tender-tank locom ...

operated by the

Western Australian Government Railways Western Australian Government Railways (WAGR) was the operator of railway services in the state of Western Australia between October 1890 and June 2003. Owned by the state government, it was renamed a number of times to reflect extra responsi ...

(WAGR) between 1946 and 1972.

History

The Dd type was an evolution of the Dm class. However unlike the Dm class which used components of the old E Class tender engines, the Dd class components were all new. All were built at the

Midland Railway Workshops The Midland Railway Workshops in Midland, Western Australia, were the main workshops for the Western Australian Government Railways (WAGR) for over 80 years. History The first railway workshops in Western Australia were located at Fremantle an ...

entering service between April and November 1946. They were built to haul suburban passenger services in

Perth Perth is the capital and largest city of the Australian state of Western Australia. It is the fourth most populous city in Australia and Oceania, with a population of 2.1 million (80% of the state) living in Greater Perth in 2020. Perth is ...

, although they did on occasions work to Bunbury on the South Western and Merredin on the

Eastern Eastern may refer to: Transportation *China Eastern Airlines, a current Chinese airline based in Shanghai *Eastern Air, former name of Zambia Skyways *Eastern Air Lines, a defunct American airline that operated from 1926 to 1991 *Eastern Air Li ...

lines. The first were withdrawn in 1969, with the remainder in 1970/71 following the entry into service of the

ADK/ADB class diesel multiple unit The ADK class are a class of diesel multiple units that were previously operated by Western Australian Government Railways (WAGR) in Perth, and later Transdev Auckland on Auckland's suburban rail network, and are currently operated by MetroBus i ...

Preservation

Two have been preserved: *Dd592 was preserved by the

Australian Railway Historical Society The Australian Railway Historical Society (ARHS) aims to foster an interest in the railways, and record and preserve many facets of railway operations. It had divisions in every state and the Australian Capital Territory, although the ACT divis ...

in July 1972. In May 1984,

Westrail Western Australian Government Railways (WAGR) was the operator of railway services in the state of Western Australia between October 1890 and June 2003. Owned by the state government, it was renamed a number of times to reflect extra responsi ...

commenced work at Midland Railway Workshops to restore it to operational condition as a

Bicentennial __NOTOC__ A bicentennial or bicentenary is the two-hundredth anniversary of a part, or the celebrations thereof. It may refer to: Europe *French Revolution bicentennial, commemorating the 200th anniversary of 14 July 1789 uprising, celebrated ...

project. It returned to service on 20 July 1985 and remained in service until August 1995. It became a static exhibit at the

Western Australian Rail Transport Museum The Railway Museum, also known as the Rail Transport Museum, is situated in Bassendean, Western Australia. It is run by the Western Australian division of the Australian Railway Historical Society (ARHS), which is called Rail Heritage WA. In th ...

in May 1999.D and Dm Class Tank Locomotive
Rail Heritage WA *Dd596 was also purchased by the Australian Railway Historical Society in April 1974 and was placed on display at the Western Australian Rail Transport Museum. In July 1990 it was placed on display at the Gosnells Railway Market.Dd596
Australian Steam

Class list

The numbers and periods in service of each member of the Dd class were as follows:

References

Notes

Bibliography

* *

External links

{{WAGR Locomotives Railway locomotives introduced in 1946 Dmd WAGR class 3 ft 6 in gauge locomotives of Australia 4-6-4T locomotives Passenger locomotives