New South Wales Z29 class locomotive

The Z29 class (formerly J.483 class) was a class of steam locomotives built for the New South Wales Government Railways in Australia for transport and goods transport up the steep gradients of rail track in the Blue Mountains.[2][3][4]

New South Wales Z29 Class
J.483 (Z29) Class Locomotive
Type and origin
Power typeSteam
DesignerBaldwin Locomotive Works
BuilderBaldwin Locomotive Works
Total produced20[1]
Specifications
Configuration:
​
 • Whyte2-8-0[1]
Gauge4 ft 8 1⁄2 in (1,435 mm) standard gauge[1]
Driver dia.4 ft 3 in (1,295 mm)
Total weight100.6 long tons
(112.7 short tons; 102.2 t)[1]
Firebox:
 • Firegrate area		32 sq ft (3.0 m2)[1]
Boiler pressure150 psi (1,034 kPa)
140 psi or 965 kPa superheated[1]
Cylinders2 (501, 502 with 4 until 1896)[1]
Cylinder size21 in × 26 in (533 mm × 660 mm)
superheated 22 in × 26 in (559 mm × 660 mm)[1]
Performance figures
Tractive effort26,979 lbf (120.01 kN)
29,363 lbf (130.61 kN) superheated[1]
Career
Number in class20[1]
Numbers483-502 (1889 system); 2901-2920 (1924 system, some not renumbered)[1]
First run30 September 1891, all in service within two months[1]
Retired2918 in April 1935[1]
ScrappedDecember 1937[1]
DispositionAll scrapped
  • Class Z2907 (J483) locomotive

See also

References
  1. Oberg, Leon (1975). Locomotives of Australia. p. 74. 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


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