Queensland 4D11½ Abt class locomotive
The Queensland Railways 4D11½ Abt class locomotive was a class of 0-4-2T steam locomotives operated by the Queensland Railways.
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History
In October 1898, two Dübs & Co locomotives entered service. Per Queensland Railway's classification system they were designated the 4D11½ Abt class, the 4 representing the number of driving wheels, the D that it was a tank locomotive, and the 11½ the cylinder diameter in inches.
They were built to assist conventional locomotives up and down a steeply graded rack railway section of the Central Western line at Mount Morgan.[1]
Class list
| Number | Works number |
In service | Condemned |
|---|---|---|---|
| 339 | 3619 | October 1898 | September 1916 |
| 340 | 3620 | October 1898 | December 1922 |
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References
- Armstrong, John (1985). Locomotives in the Tropics Volume 1. Brisbane: Australian Railway Historical Society. pp. 66, 102. ISBN 0 909937 13 3.
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