Steam locomotive Ww 491

New Zealand Railways, Commissioned by;  Hillside Railway Workshop, Manufacturer; 

1912
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Details


Maker and Role
New Zealand Railways, Commissioned by
Hillside Railway Workshop, Manufacturer
Production Date
1912
Description
"Wg" SPECIFICATIONS (1919):

Wheel arrangement: 4-6-4T
Weight: 50.5 tons
Cylinders: 14" x 22"
Boiler pressure: 200 pounds
Driving wheels: 45"


"Ww" SPECIFICATIONS (1956):

Wheel arrangement: 4-6-4T
Weight: 51.8 tons
Cylinders: 15½" x 22"
Boiler pressure: 180 pounds
Driving wheels: 45"
Grate area: 16.9 sq. ft.
Total heating surface: 526S
Adhesive weight: 29.7 tons
Total weight of engine & tender: 51.5 tons
Tractive effort: 16,900 pounds
Media/Materials
Processed Material/Metal/Alloy/Steel
Processed Material/Metal
Signature/Marks and Type
WW / 491 Embossed
NEW ZEALAND GOVERNMENT RAILWAYS / No 116.1912. / BUILT AT HILLSIDE WORKSHOPS Embossed
Accession No
1975.79
Credit Line
New Zealand Railways et al. 1912. Steam locomotive Ww 491, 1975.79. The Museum of Transport and Technology (MOTAT).
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