The WAGR Dd class was a class of 4-6-4T tank locomotive operated by the Western Australian Government Railways (WAGR) between 1946 and 1972.
Quick Facts Type and origin, Power type ...
WAGR Dd class |
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![Thumb](//upload.wikimedia.org/wikipedia/commons/thumb/0/04/Dd592_Jandakot%2C_1986.JPG/300px-Dd592_Jandakot%2C_1986.JPG) Dd592 passes through Jandakot with an ARHS excursion train, 1986 |
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Specifications |
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Configuration:
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• Whyte | 4-6-4T |
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Gauge | 3 ft 6 in (1,067 mm) |
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Driver dia. | 4 ft 6 in (1,372 mm) |
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Length | 43 ft 3 in (13.18 m) |
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Loco weight | 72 long tons 0 cwt (161,300 lb or 73.2 t) |
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Fuel type | Coal |
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Water cap. | 1,820 imp gal (8,300 L; 2,190 US gal) |
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Firebox: | |
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• Grate area | 18.6 sq ft (1.73 m2) |
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Boiler pressure | 160 lbf/in2 (1.10 MPa) |
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Cylinder size | 18 in × 23 in (457 mm × 584 mm) |
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Valve gear | Walschaerts |
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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 entering service between April and November 1946. They were built to haul suburban passenger services in Perth, although they did on occasions work to Bunbury on the South Western and Merredin on the Eastern lines.[2][3][4]
The first were withdrawn in 1969, with the remainder in 1970/71 following the entry into service of the ADK/ADB class diesel multiple units.[2][3]
Two have been preserved:
- Dd592 was preserved by the Australian Railway Historical Society in July 1972. In May 1984, Westrail commenced work at Midland Railway Workshops to restore it to operational condition as a Bicentennial 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 in May 1999.[5][6][7]
- 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.[5][6][8]
The numbers and periods in service of each member of the Dd class were as follows:
More information Road number, In service ...
Road number |
In service |
Withdrawn |
Notes |
591 |
12 April 1946 |
10 February 1969 |
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592 |
17 May 1946 |
14 August 1972 |
Preserved at Western Australian Rail Transport Museum |
593 |
14 June 1946 |
10 September 1970 |
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594 |
28 June 1946 |
10 February 1969 |
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595 |
19 July 1946 |
17 June 1971 |
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596 |
9 August 1946 |
17 June 1971 |
Preserved at Gosnells Railway Market |
597 |
31 August 1946 |
17 June 1971 |
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598 |
20 September 1946 |
10 February 1969 |
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599 |
11 October 1946 |
10 February 1969 |
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600 |
1 November 1946 |
10 September 1970 |
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Notes
Turner, Jim (1997). Australian Steam Locomotives 1896-1958. Kenthurst: Kangaroo Press. p. 141. ISBN 086417778X.
Oberg, Leon (2010). Locomotives of Australia 1850s-2010. Dural: Rosenberg Publishing. pp. 230–231. ISBN 9781921719011.
Clark, Peter (2012). The Australian Locomotive Guide. Dural: Rosenberg Publishing. p. 46. ISBN 9781922013682.
Whiteford, David; De Bruin, Charles; Watson, Lindsay; Watson, Neville (1983). Western Australian Preserved Locomotives. Elizabeth: Railmac Publications. p. 7. ISBN 0 949817 19 8.
Bibliography
- Gunzburg, Adrian (1968). WAGR Locomotives 1940–1968. Perth: Australian Railway Historical Society (Western Australian Division). pp. 13–15, 47. OCLC 219836193.
- Gunzburg, Adrian (1984). A History of WAGR Steam Locomotives. Perth: Australian Railway Historical Society (Western Australian Division). ISBN 0959969039.
Media related to WAGR Dd class at Wikimedia Commons