South Australian Railways A class

Specifications
Specifications
Configuration:;
• Whyte	2-4-0WT
• UIC	1'B T
Gauge	1600 mm (5 ft 3 in)
Leading dia.	39 inches (990 millimetres)
Driver dia.	60 in (1524 mm)
Minimum curve	18 chains (360 metres)
Wheelbase	7 ft 0 in (2130 mm)
Length:;
• Over beams	26 ft 6 in (8077 mm)
Width	7 ft 6 in (2290 mm) over running board
Height	12 ft 10 in (3912 mm)
Frame type	Plate
Axle load:
• Leading	8 long tons 14 cwt (9.7 short tons; 8.8 t)
• Coupled	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) loaded
Fuel type	Coal
Fuel capacity	13+3⁄4 long hundredweight (0.77 short tons; 0.70 t)
Water cap.	225 imp gal (1020 L; 270 US gal)
Firebox:
• Type	Round-top
• Grate area	11.17 sq ft (1.038 m2)
Boiler:;
• Pitch	6 ft 2+1⁄2 in (1892 mm)
Boiler pressure	130 lbf/in2 (896 kPa)
Safety valve	Salter spring balance
Heating surface:
• Firebox	65.9 sq ft (6.12 m2)
• Tubes	751.6 sq ft (69.83 m2)
• Total surface	817.4 sq ft (75.94 m2)
Cylinders	Two
Cylinder size	14 in × 22 in (356 mm × 559 mm)
Valve gear	Stephenson's
Couplers	Hook and screw

Type and origin
Type and origin
Power type	Steam
Builder	Robert Stephenson and Company
Order number	1827, 1828, 2108
Build date	1868
Total produced	3
Rebuilder	Islington Workshops
Rebuild date	1889 (no. 1); 1883 & 1911 (no. 19)
Number rebuilt	2

South Australian Railways A class locomotive
South Australian Railways A class locomotive
Power type
Type and origin
Power type	Steam
Builder	Robert Stephenson and Company
Order number	1827, 1828, 2108
Build date	1868
Total produced	3
Rebuilder	Islington Workshops
Rebuild date	1889 (no. 1); 1883 & 1911 (no. 19)
Number rebuilt	2
Configuration:;
Specifications
Configuration:;
• Whyte	2-4-0WT
• UIC	1'B T
Gauge	1600 mm (5 ft 3 in)
Leading dia.	39 inches (990 millimetres)
Driver dia.	60 in (1524 mm)
Minimum curve	18 chains (360 metres)
Wheelbase	7 ft 0 in (2130 mm)
Length:;
• Over beams	26 ft 6 in (8077 mm)
Width	7 ft 6 in (2290 mm) over running board
Height	12 ft 10 in (3912 mm)
Frame type	Plate
Axle load:
• Leading	8 long tons 14 cwt (9.7 short tons; 8.8 t)
• Coupled	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) loaded
Fuel type	Coal
Fuel capacity	13+3⁄4 long hundredweight (0.77 short tons; 0.70 t)
Water cap.	225 imp gal (1020 L; 270 US gal)
Firebox:
• Type	Round-top
• Grate area	11.17 sq ft (1.038 m2)
Boiler:;
• Pitch	6 ft 2+1⁄2 in (1892 mm)
Boiler pressure	130 lbf/in2 (896 kPa)
Safety valve	Salter spring balance
Heating surface:
• Firebox	65.9 sq ft (6.12 m2)
• Tubes	751.6 sq ft (69.83 m2)
• Total surface	817.4 sq ft (75.94 m2)
Cylinders	Two
Cylinder size	14 in × 22 in (356 mm × 559 mm)
Valve gear	Stephenson's
Couplers	Hook and screw
Tractive effort
Performance figures
Tractive effort	7940 lbf (35.32 kN)
Operators
Career
Operators	South Australian Railways
Class	A
Number in class	3
Numbers	1, 19, 20
First run	September 1868
Withdrawn	1893 (no. 20), 1923 (no. 19), 1924 (no. 1)
Disposition	All scrapped

The first two of what later became the South Australian Railways A class of locomotives, built by Robert Stephenson and Company, England, arrived at Port Adelaide for the South Australian Railways in September and October 1868. A third, final locomotive arrived in 1873.