New South Wales Z23 class locomotive

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New South Wales Z23 Class
NSWGR O.446 Class Locomotive.jpg
O.446 Class Locomotive
Type and origin
Power typeSteam
Builder Baldwin Locomotive Works [1]
Build date1891
Total produced12 [1]
Specifications
Configuration:
​
 •  Whyte 4-6-0 [1]
Gauge 4 ft 8+1⁄2 in (1,435 mm) standard gauge [1]
Driver dia.5 ft 1 in (1,549 mm) [1]
Total weight90.37 long tons
(101.21 short tons; 91.82 t) [1]
Firebox:​
 • Grate area27.7 sq ft (2.57 m2) [1]
Boiler pressure160 psi (1,100 kPa) [1]
Cylinder size 21 in × 24 in
(533 mm × 610 mm) [1]
Performance figures
Tractive effort 22,209 lbf (98.79 kN) [1]
Career
Withdrawn1933-1946
DispositionAll scrapped

The Z23 class (formerly O.446 class) was a class of steam locomotives built in 1891 for the New South Wales Government Railways in Australia. [2] [3] [4]

Contents

Royal Commission

Although this may have been the result of a contemporary anti-American bias, these locomotives were said to be too heavy and too wide at the cylinders, and were the subject of a Royal Commission. [5]

Withdrawal

2305 was the first withdrawn in May 1933. By 1941, only six were left, with the last, 2304, being withdrawn in September 1946. [1] None has survived onto preservation.

See also

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References

  1. 1 2 3 4 5 6 7 8 9 10 11 Oberg, Leon (1975). Locomotives of Australia. p. 73. ISBN   0-589-07173-4.
  2. ↑ Preston, Ron G (1984). Tender into Tank. Sydney: New South Wales Rail Transport Museum. pp. 11–57. ISBN   0-909862-18-4.
  3. ↑ Grunbach, Alex (1989). A Compendium of New South Wales Steam Locomotives. Sydney: Australian Railway Historical Society, NSW Division. pp. 41–45. ISBN   0-909650-27-6.
  4. ↑ New South Wales Railways 1855-1955. Published by Department of Railways
  5. ↑ "BALDWIN ENGINE COMMISSION". The Sydney Morning Herald . National Library of Australia. 26 May 1892. p. 6. Retrieved 27 October 2014.
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