South Australian Railways A class

South Australian Railways A Class
South Australian Railways A Class No. 19
Type and origin Power type Steam Builder Robert Stephenson and Company Serial number 1827-1828 & 2108 Build date 1868 Total produced 3 Rebuilder Islington Railway Workshops Rebuild date 1889 (No. 1) 1883 & 1911 (No. 19) Number rebuilt 2
Specifications Configuration: ​  • Whyte 2-4-0WT  • UIC 1'B T Gauge 5 ft 3 in (1,600 mm) Driver dia. 5 ft 0 in (1,524 mm) Length 26 ft 6 in (8.08 m) Height 12 ft 10 in (3,911.6 mm) Axle load 10 long tons 15 cwt (12.0 short tons; 10.9 t) Loco weight 30 long tons 4 cwt (33.8 short tons; 30.7 t) Fuel type Coal Fuel capacity 13+3⁄4 long hundredweight (0.77 short tons; 0.70 t) Water cap. 225 imp gal (1,020 L; 270 US gal) Firebox:  • Firegrate area 11.7 sq ft (1.09 m2) Boiler pressure 130 lbf/in2 (896 kPa) Heating surface:  • Tubes 751.6 sq ft (69.83 m2)  • Firebox 65.9 sq ft (6.12 m2) Cylinders Two Cylinder size 14 in × 22 in (356 mm × 559 mm)
Performance figures Tractive effort 7,940 lbf (35.32 kN)
Career Operators South Australian Railways Class A Number in class 3 Numbers 1, 19 & 20 First run 9.1868 Withdrawn 1893–1924 Scrapped 1893–1924 Disposition All scrapped

The South Australian Railways A Class locomotives arrived for the South Australian Railways in September and October 1868 from Robert Stephenson and Company. A third and final locomotive was ordered and arrived in 1873, these locomotives were withdrawn between 1893 and 1924 from the SAR after many years of hard service.^[1]

History

The railway line from Roseworthy to Forresters (now known as Tarlee), was opened of rail traffic on the 5th of July 1896. The line was originally designed and intended for horse traction and was laid with light 40 pound rail. The idea of horsepower was later discarded and eventually the first two locomotives imported from the Robert Stephenson and Company arrived. These first lot of two locomotives were designated the "A Class" and were put to work on the Roseworthy to Forresters line. The A class were a first for the South Australian Railways, being the first Broad Gauge locomotives to be fitted with outside cylinders. Though not long after these new locomotives arrived they were found to be quite rigid in their wheelbase and too heavy for the light track. With the arrival of the new F class locomotives in September 1869 the A class had their place taken on this stretch of line.

Following the A class locomotives being moved from the Roseworthy to Forresters railway line, they were then placed in service on the Port line. On the Port line these locomotives proved to be a much more valuable asset, so much so that a third locomotive was ordered from Robert Stephenson and Company and arrived in 1873. Over their career these three engines were allocated to suburban passenger and goods services around the South Australian Railways network. Together these locomotives performed shunting duties for many years at various locations, including the Adelaide railway yard. One of the three locomotives was stationed for a period of years at Strathalbyn and was in service to work from Strathalbyn to Milang. The Milang line was a branch off the Victor Harbor Railway Line.^[2][3]

References

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This page was last edited on 14 March 2023, at 11:06