The WAGR D class was a single member class of 0-4-0ST tank locomotive operated by the Western Australian Government Railways (WAGR) from 1884 until 1903.

The D class locomotive was built in 1884 by Hunslet Engine Company, Leeds.

[1] Upon the opening of Fremantle's inner harbour in 1897, the long jetty ceased to be used, and the locomotive became surplus to requirements.

Following the electrification of that tramway in 1908, it was sold to Bunning Brothers, reboilered, had its saddle tank removed and a tender built hauled timber hauling times trains at Lyalls Mill, Argyle, Muja and Tullis until withdrawn in 1951 and scrapped in 1956.

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