| WAGR K class | |
| Powertype: | Steam |
| Builder: | Neilson & Co |
| Serialnumber: | 4599-4606, 5040-5045, 5197-5206 |
| Totalproduction: | 24 |
| Whytetype: | 2-8-4T |
| Fueltype: | Coal |
| Watercap: | 2000impgal |
| Boilerpressure: | As built: 1202NaN2 Reboilered: 1602NaN2 |
| Fireboxarea: | 16.7square feet |
| Cylindersize: | 17x |
| Poweroutput: | As built: 153322NaN2 Reboilered: 204432NaN2 |
| Factorofadhesion: | 3.8 |
| Operator: | Western Australian Government Railways |
| Fleetnumbers: | K34-K41, K101-K106, K186-K195 |
| Firstrundate: | 1893 |
| Disposition: | all scrapped |
The K-class was a class of 2-8-4T steam locomotives of the Western Australian Government Railways
Between October 1893 and August 1898, the WAGR took delivery of 24 K class locomotives from Neilson & Co. They entered service on the Eastern Railway between Midland Junction and Northam. In 1902, they were displaced from this work by the F class. They then mainly operated freight services on the Collie line and within Perth, although they did operate Royal Perth Show and raceday special passenger services.[1]
In 1915, two were repowered with superheated boilers. A further three followed, but all were converted back by 1937. Further reboilerings increased power output by a quarter.[1]
Six examples originally intended for the WAGR were purchased by the British Government and sent to South Africa to ease a shortage being encountered by the Imperial Military Railways as a result of the Boer War where they became the C class.
The numbers and periods in service of each member of the K class were as follows:
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The K class designation was previously used by the K class that was reclassified as the L class. It was reused in the 1960s when the K class diesel locomotives entered service.