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The reference for locomotives and railcars

Western Australian Government Railways class E (1879)

Australia 1879 2 produced
No. 7 “Geraldton” in 1886 in Geraldton Rail Heritage WA / Archive Photo Gallery image P0784

For the mining of lead in the west of Western Australia, the Avonside Engine Company built two Double Fairlies for the WAGR in 1879. Each half had two driving axles and one leading axle. Unfortunately, the price of lead was falling in these times and so both were stored at first after delivery. Finally, they were placed into service in 1881 and 1885, respectively. Designated class E, they received the numbers E20 and E7. In 1888, they came to Fremantle. Only three years later, one half of E20 was rebuilt into the conventional 2-4-2T locomotive numbered F20, while the other half was scrapped. E7 was scrapped in 1897, but F20 was used until 1905.

Technical data

General

Built
1879
Manufacturers
Avonside
Wheel arrangement
2-4-4-2T (Double Fairlie)
Gauge
1,067 mm (Cape gauge)

Dimensions and weights

Service mass
34 t
Water capacity
4,546 l

Boiler

Grate area
1.208 m²

Power plant

Driver diameter
991 mm
Boiler pressure
8.3 bar
Expansion type
simple expansion
Cylinders
four, 254 x 457 mm

Power

Power source
steam
Estimated power
168 kW (228 PS)
Starting effort
41.9 kN

Calculated values

Optimal speed
24 km/h
Power-to-weight ratio
4.9 kW/t
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