South Australian Railways O class (first)

South Australian Railways O class (1st)
SLNSW 28752 South Australian Railways O class steam locomotive c. 1870
Type and origin
Power typeSteam
BuilderBaldwin Locomotive Works
Serial number5227 & 5228
Build date1880
Total produced2
Specifications
Configuration:
​
 • Whyte2-8-0
 • UIC1'D 2'2'
Gauge5 ft 3 in (1,600 mm)
Driver dia.4 ft 0 in (1,219 mm)
Length53 ft 5+1⁄4 in (16.29 m)
Total weight77 long tons 1 cwt (172,600 lb or 78.3 t)
Fuel typeCoal
Fuel capacity6 long tons 1 cwt 1 qr (13,580 lb or 6.16 t)
Water cap.2,800 imp gal
(3,400 US gal; 13,000 L)
Boiler pressure130 psi (900 kPa)
Heating surface1,184 sq ft (110.0 m2)
Cylinders2
Cylinder size20 in × 24 in (508 mm × 610 mm)
Performance figures
Tractive effort22,100 lbf (98 kN)
Career
ClassO
Number in class2
Numbers54 & 55
First run25.2.1881
Withdrawn1904
Scrapped1904
DispositionAll scrapped

The South Australian Railways O class (1st) locomotives were built by Baldwin Locomotive Works for the South Australian Railways (SAR). They entered service in 1881 on the SAR system and were both withdrawn and scrapped by 1904.[1]

History

Their main job was hauling goods trains on the Intercolonial Railway. When they were first in service they became the largest locomotives on the SAR system. They were unsuccessful on the Adelaide Hills line and were later diverted to work on the Northern line. With the great success of the new 4-6-0 R class locomotives that arrived in 1886, the two O class locomotives were withdrawn from service and scrapped in 1904, with a relatively short working life of 23 years.[2]

References

  1. ^ Drymalik, Chris. "Broad Gauge O-class 2-8-0 locomotive". Chris's Commonwealth Railways Information (ComRails). Retrieved 3 August 2019.
  2. ^ FLUCK, R. E.; SAMPSON, R.; BIRD, K. J. (1986). STEAM LOCOMOTIVES AND RAILCARS OF THE SOUTH AUSTRALIAN RAILWAYS. South Australia: Mile End Railway Museum (S.A.) Inc. p. 60. ISBN 0959-5073-37.
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