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Queensland Railways 4D10 class
Type and origin Power type Steam Builder North Ipswich Railway Workshops Serial number 4-6 Build date 1884/85
Specifications Configuration: ​  • Whyte 2-4-2T Gauge 1,067 mm (3 ft 6 in) Axle load 11.5t Loco weight 24.1t Total weight 24.1t Fuel type Coal Fuel capacity 1.5 tonnes Water cap. 550 gallons Tender cap. 3 tonnes Boiler NIRW Boiler pressure 120psi Heating surface: ​  • Firebox 7.1 square feet Cylinders 2 outside Cylinder size 10 in × 18 in (254 mm × 457 mm)
Career Operators Queensland Railways Numbers 6, 9-11, 72-74 Delivered 1884 First run 1884 Last run 1902 Retired 1902 Withdrawn 1902 Preserved 10 (Boiler Only) Scrapped 1903 Disposition all scrapped, 10's boiler is at Caboolture

The Queensland Railways 4D10 class locomotive was a class of 2-4-2T steam locomotives operated by the Queensland Railways.

History

In September 1877, a Select Committee recommended no more locomotives be built in the colony. However some materials had already been purchased for proposed new locomotives. In 1884/85 these were put to use to build four 2-4-2T locomotives at North Ipswich Railway Workshops. Per Queensland Railway's classification system they were designated the 4D10 class in 1890, the 4 representing the number of driving wheels, the D that it was a tank locomotive, and the 10 the cylinder diameter in inches. A further four A10 Neilson class were converted to 4D10s.

Class list

References

1. "Preserved Steam Locomotives Down Under - 4D10 boiler". www.australiansteam.com. Retrieved 28 November 2019.
2. Armstrong, John (1985). Locomotives in the Tropics Volume 1. Brisbane: Australian Railway Historical Society. pp. 52, 100. ISBN 0-909937-13-3.
3. Oberg, Leon (2010). Locomotives of Australia 1850s-2010. Dural: Rosenberg Publishing. pp. 26/27. ISBN 9781921719011.

• Railway locomotives introduced in 1884
• Steam locomotives of Queensland
• 2-4-2T locomotives
• 3 ft 6 in gauge locomotives of Australia