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The MRWA P class was a class of steam locomotives operated by the Western Australian Government Railways (WAGR) and later the Midland Railway of Western Australia (MRWA) from 1896.

Midland Railway of Western Australia P class
P class near Midland Junction
Type and origin Power type Steam Builder James Martin & Co Serial number 134-135 Build date 1896 Total produced 2
Specifications Configuration: ​  • Whyte 4-4-0 Gauge 3 ft 6 in (1,067 mm) Driver dia. 4 ft 6 in (1,372 mm) Length 46 ft 0 in (14.02 m) Total weight 51 long tons 05 cwt (114,800 lb or 52.1 t) Fuel type Coal Firebox:  • Firegrate area 13.87 sq ft (1.289 m2) Boiler pressure 140 lbf/in2 (0.97 MPa) Cylinder size 15 in × 20 in (381 mm × 508 mm)
Performance figures Tractive effort 9,333 lbf (41.52 kN)
Career Operators Western Australian Government Railways Midland Railway of Western Australia Numbers P62, P63/P12 First run September 1896 Disposition all scrapped

History

In July and August 1896, the WAGR took delivery of two steam locomotives from James Martin & Co, Gawler, South Australia. They were basically a 4-4-0 version of the WAGR's 4-6-0 G class, and identical to the South Australian Railways Z class, save for a bogie tender in place of the SAR six wheel tender.[1] They entered service on the Eastern Goldfields Railway with P63 hauling the inaugural service from Coolgardie to Kalgoorlie in September 1896.[2]

Both were sold in 1912 to the MRWA, however they were underpowered and after the delivery of its five new C class locomotives, were relegated to shunting duties at Midland Junction. In 1913, P62 commenced a 12-month lease to the Public Works Department. When it returned it was withdrawn and became a parts source for P63 which had been renumbered P12. Both were scrapped in 1929.[1][2][3]

See also

• List of Western Australian locomotive classes
• Locomotives of the Western Australian Government Railways

References

External links

Media related to MRWA P class at Wikimedia Commons

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