Queensland 4D9 class locomotive

The Queensland Railways 4D9 class locomotive was a class of 2-4-2T steam locomotives operated by the Queensland Railways.

Queensland Railways 4D9 class
4D9 Class used for Macquarie Harbour breakwater construction, Tasmania.
Type and origin
Power typeSteam
BuilderDübs & Co
Serial number1414, 1415
Build date1881
Total produced2
Specifications
Configuration:
​
 • Whyte2-4-2T
Gauge1,067 mm (3 ft 6 in)
Fuel typeCoal
Cylinders2 outside
Cylinder size9 in × 15 in (229 mm × 381 mm)
Career
OperatorsQueensland Railways
Numbers1, 131
Preserved131
Disposition1 preserved, 1 scrapped

History

In February 1881, two Dübs & Co two 2-4-2T locomotives entered service on the Bundaberg Railway. Per Queensland Railway's classification system they were designated the 4D9 class, the 4 representing the number of driving wheels, the D that it was a tank locomotive, and the 9 the cylinder diameter in inches.[1]

Class list
Works
number		 Bundaberg Railway
number		 Southern & Western
Railway number		 Queensland Railways
number		 In service Notes
1414 1 1 1 February 1881 Sold July 1895 to Bingarra Sugar Mill
1415 2 131 February 1881 Sold August 1894 to CSR, Childers, resold to Public Works Department, Tasmania for Macquarie Harbour breakwater construction, sold May 1941 to sawmiller R Howard, Zeehan, currently statically displayed by Don River Railway[2]

References
  1. Armstrong, John (1985). Locomotives in the Tropics Volume 1. Brisbane: Australian Railway Historical Society. pp. 36, 97. ISBN 0 909937 13 3.
  2. 4D9 131 Australian Steam
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