NZR WG class

NZR WG class
Type and origin
Power type Steam
Builder NZGR
Build date 1910-1912
Total produced 20
Specifications
Configuration 4-6-4T
Gauge 3 ft 6 in (1,067 mm)
Driver dia. 45 in (1.143 m)
Adhesive weight 29.7 long tons (30.2 t)
Loco weight 50.5 long tons (51.3 tonnes; 56.6 short tons)
Fuel type Coal
Firebox:
  Firegrate area
16.9 sq ft (1.57 m2)
Boiler pressure 200 lbf/in2 (1,379 kPa)
Heating surface 738 sq ft (68.6 m2)
Cylinders Two, outside
Cylinder size 14 in × 22 in (356 mm × 559 mm)
Performance figures
Tractive effort 15,330 lbf (68.19 kN)
Career
Operators NZR
Locale All of New Zealand
1917 photo 480 was built by New Zealand Railways at Hillside (maker's no 104/10), went into service in October 1910. It was altered for use on the Rimutaka Incline to assist the "Fell" locomotives cope with the military traffic to and from the NZEF training camp at Featherston. The cowcatchers were altered to clear the high Fell centre rail, and it had an acetylene headlamp arranged to follow the alignment of the track on curves. Written off in June 1969, and preserved at Glenbrook. http://mp.natlib.govt.nz/detail/?id=37199

The NZR WG class was a development of the preceding WF class of all purpose tank locomotive. Later in their careers some (14) were rebuilt as WW class.

References


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