South Australian Railways Z class
Z190 c. 1910
Type and origin
Power typeSteam
BuilderJames Martin & Co
Islington Railway Workshops
Serial number99-106, 18, 19
Build date1894
Total produced10
Specifications
Configuration:
​
 • Whyte4-4-0 2′B 3
Gauge1,067 mm (3 ft 6 in)
Driver dia.4 ft. 6 in.
Length41 ft 10 in (12.75 m)
Height3.5052 Metres
Axle load9 tons 17 cwt
Total weight50 tons 1 cwt
Fuel typeCoal
Fuel capacity4 long tons 10 cwt (10,100 lb or 4.6 t)
Water cap.1,600 imperial gallons (7,300 L; 1,900 US gal)
Firebox:​
 • Grate area13.87 square feet
Boiler pressure145 psi (1,000 kPa)
Heating surface:​
 • Tubes795.22 sq ft (73.878 m2)
 • Firebox73.93 sq ft (6.868 m2)
Cylinders2 Outside
Cylinder size15.5 in × 20 in (394 mm × 508 mm)
Performance figures
Tractive effort10,270 lbf (45.68 kN)
Career
OperatorsSouth Australian Railways
ClassZ
NumbersZ187-Z196
First run22.12.1894
Last run1956
Withdrawn1956
Scrapped1956
DispositionAll original locomotives scrapped; one new-build under construction

The South Australian Railways Z class was a class of 4-4-0 steam locomotives operated by the South Australian Railways.

History

In 1895 James Martin & Co delivered eight 4-4-0 locomotives to the South Australian Railways. In 1911 another two were built by the Islington Railway Workshops.[1]

Class list

Number Builder Builder's
number		 In service
Z187 James Martin & Co 99 22 December 1894
Z188 James Martin & Co 100 8 January 1895
Z189 James Martin & Co 101 5 February 1895
Z190 James Martin & Co 102 20 February 1895
Z191 James Martin & Co 103 20 February 1895
Z192 James Martin & Co 104 26 February 1895
Z193 James Martin & Co 105 26 March 1895
Z194 James Martin & Co 106 3 April 1895
Z195 Islington Railway Workshops 18 29 September 1911
Z196 Islington Railway Workshops 19 23 October 1911

Replica

A replica locomotive is being built. It will be numbered Z199.[2]

References

  1. ↑ "SA Narrow Gauge: The Z Class" Australian Railway Historical Society Bulletin issue 817 November 2005
  2. ↑ Z199 Australian Steam

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