Australian Standard Garratt

The Australian Standard Garratt (ASG) was a Garratt locomotive designed in Australia during World War II, and used on 3 ft 6 in (1,067 mm) narrow gauge railway systems in Queensland, South Australia, Western Australia and Tasmania.

Australian Standard Garratt
G33 at the Australian Railway Historical Society Museum in 2007
Type and origin
Power typeSteam
BuilderClyde Engineering
Islington Railway Workshops
Midland Railway Workshops
Newport Workshops
Build date1943-1945
Total produced57
Specifications
Configuration:
  Whyte4-8-2+2-8-4
  UIC2′D1′+1′D2′
Gauge3 ft 6 in (1,067 mm)
Driver dia.48 in (1,219 mm)
Length85 ft 9+12 in (26.15 m)
Axle load8.5 long tons (8.6 t; 9.5 short tons)
Adhesive weight76.25 long tons
(77.5 t; 85.4 short tons)
Loco weight119 long tons
(120.9 t; 133.3 short tons)
Fuel typeCoal
Fuel capacity6 long tons (6.1 t; 6.7 short tons)
Water cap.4,200 imp gal
(19,094 L; 5,044 US gal)
Firebox:
  Grate area35 sq ft (3 m2)
Boiler pressure200 psi (1,379 kPa)
Heating surface:
  Firebox163 sq ft (15 m2)
  Tubes1,535 sq ft (143 m2)
  Total surface2,013 sq ft (187 m2)
Superheater:
  Heating area315 sq ft (29 m2)
Cylinders4 outside
Cylinder size14.5 in × 24 in
(368 mm × 610 mm)
Performance figures
Tractive effort34,240 lbf (152.3 kN)
Factor of adh.4.4
Career
OperatorsEmu Bay Railway
Fyansford Cement Works Railway
Queensland Railways
South Australian Railways
Tasmanian Government Railways
Western Australian Government Railways
PreservedG33
Disposition1 preserved, 56 scrapped
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