New South Wales D50 class locomotive

New South Wales D50 class
Class D50 locomotive
Type and origin
Power typeSteam
BuilderBeyer, Peacock & Company (151)
Dübs & Company (5)
Neilson & Company (10)
North British Locomotive Company (84)
Clyde Engineering (30)
Build date1896–1916
Total produced280
Specifications
Configuration:
​
 • Whyte2-8-0
Gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge
Driver dia.4 ft 3 in (1,295 mm)
Adhesive weight126,000 lb (57,153 kg; 57 t)
Loco weight139,000 lb (63,049 kg; 63 t)
Firebox:​
 • Grate area30 sq ft (2.8 m2)
Boiler pressure160 psi (1.10 MPa)
Heating surface2,210 sq ft (205 m2)
Cylinders2 outside
Cylinder size21 in × 26 in (533 mm × 660 mm)
Performance figures
Tractive effort30,576 lbf (136.0 kN)
Factor of adh.4.10
Career
OperatorsNew South Wales Government Railways
ClassT524, D50 from 1924
Number in class280
Preserved5069, 5096, 5112, 5132
Disposition4 preserved, 276 scrapped

The New South Wales D50 class is a class of 2-8-0 steam locomotives operated by the New South Wales Government Railways in Australia.

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