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Steam Locomotives of the South Australian Railways (SAR)[Inhalt]
South Australian class Y
Australia | 1885 | 129 produced
No. 169 around 1925
No. 169 around 1925
The History Trust of South Australia
Variantas builtrebuilt Yx
General
Built1885-1898
ManufacturerBeyer, Peacock & Co., Islington Railway Workshops, James Martin & Co
Axle config2-6-0 (Mogul) 
Gauge3 ft 6 in (Cape gauge)
Dimensions and Weights
Length39 ft 3 in
Wheelbase13 ft 4 in
Fixed wheelbase7 ft 6 in
Total wheelbase36 ft 2 in
Service weight58,240 lbs63,168 lbs
Adhesive weight50,064 lbs52,304 lbs
Total weight107,000 lbs111,888 lbs
Axle load16,688 lbs17,920 lbs
Water capacity1,922 us gal
Fuel capacity10,080 lbs (coal)
Power
Power sourcesteam
Estimated power250 hp (186 kW)350 hp (261 kW)
Optimal speed12 mph13 mph
Starting effort13,747 lbf16,955 lbf
Power Plant
Driver diameter39 in
Boiler pressure150 psi185 psi
Expansion typesimple
Cylinderstwo, 14 1/2 x 20 in
Boiler
Grate area13.7 sq ft13.3 sq ft
Firebox area69.5 sq ft76.2 sq ft
Tube heating area709.5 sq ft729.8 sq ft
Evaporative heating area779 sq ft806 sq ft
Total heating area779 sq ft806 sq ft
Calculated Values
steam locomotive
passenger
freight
narrow gauge
last changed: 09 2023
South Australian class 520
Australia | 1943 | 12 produced
No. 521 immediately after its delivery in February 1944
No. 521 immediately after its delivery in February 1944
South Australian Railways

The west-east link in South Australia featured long flat stretches with few curves, as well as a 19-mile stretch with a 2.2 percent grade. For the increased train weights during the Second World War, powerful locomotives were needed that could reach high running speeds and had sufficient power for gradients. In addition, the axle load could not be too high in order to allow use on secondary routes.

After all examples of class 500 had already been converted from the wheel arrangement 4-8-2 to 4-8-4, the wheel arrangement 4-8-4 was already used ex works. With this they could achieve a high tractive power, but at the same time, thanks to the four carrying axles, the high weight of a large boiler could be carried better. Inspirations were also found in the 620-class Pacifics.

An externally striking feature of the locomotives was the streamlined fairing. Numbers 520 to 522 were modeled after the Pennsylvania Railroad T1 and the rest were slightly modified. Other modern features included the welded boiler and Timken roller bearings on all eight axles. The coupled wheels were 66 inches and, thanks to special counterweights, allowed a top speed of 70 mph

The target speed of 78 mph was exceeded on the maiden voyage of the No. 520. They could also haul trains of 500 long tons at 70 mph, giving an indicated power of 2,600 hp. The twelve locomotives were only replaced by diesel locomotives between 1961 and 1971, when major repairs to the boilers were necessary. By then they had clocked up between 380,000 and 612,000 miles. Today, the 520 and 523 are preserved, of which the 523 was in the process of being restored to a working condition in 2019.

General
Built1943-1947
ManufacturerIslington Railway Workshops
Axle config4-8-4 (Northern) 
Gauge5 ft 3 in (Irish broad gauge)
Dimensions and Weights
Length87 ft 4 1/2 in
Wheelbase41 ft 1 in
Fixed wheelbase17 ft 9 in
Total wheelbase77 ft 4 in
Service weight249,500 lbs
Adhesive weight140,000 lbs
Total weight449,500 lbs
Axle load35,400 lbs
Water capacity10,800 us gal
Fuel capacity22,000 lbs (coal)
Power
Power sourcesteam
Indicated power2,600 hp (1,939 kW)
Optimal speed51 mph
Starting effort32,582 lbf
Power Plant
Driver diameter66 in
Boiler pressure215 psi
Expansion typesimple
Cylinderstwo, 20 1/2 x 28 in
Boiler
Grate area45 sq ft
Firebox area291 sq ft
Tube heating area2,163 sq ft
Evaporative heating area2,454 sq ft
Superheater area651 sq ft
Total heating area3,105 sq ft
Calculated Values
steam locomotive
express
streamline
last changed: 01/2023
South Australian class 400
Australia | 1952 | 10 produced
Peter Manning
Side view of No. 409 at the National Railway Museum, Port Adelaide
Side view of No. 409 at the National Railway Museum, Port Adelaide
Brett Shillabeer
General
Built1952-1953
ManufacturerBeyer, Peacock & Co., Franco-Belge
Axle config4-8-2+2-8-4T (Double Mountain (Garratt)) 
Gauge3 ft 6 in (Cape gauge)
Dimensions and Weights
Length87 ft 5 in
Fixed wheelbase13 ft 4 1/2 in
Service weight333,760 lbs
Adhesive weight190,176 lbs
Axle load23,912 lbs
Water capacity4,444 us gal
Fuel capacity2,018 lbs (oil)
Power
Power sourcesteam
Estimated power1,750 hp (1,305 kW)
Optimal speed26 mph
Starting effort43,520 lbf
Power Plant
Driver diameter48 in
Boiler pressure200 psi
Expansion typesimple
Cylindersfour, 16 x 24 in
Boiler
Grate area48.8 sq ft
Firebox area193 sq ft
Tube heating area1,779 sq ft
Evaporative heating area1,972 sq ft
Superheater area370 sq ft
Total heating area2,342 sq ft
Calculated Values
steam locomotive
freight
Garratt
last changed: 08 2023
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