The NZR W
G class was a development of the preceding W
F class of all purpose tank locomotive. Later in their careers most (14) were rebuilt as
WW class. The locomotives were designed by
A. L. Beattie, who described them as a "large tank locomotive."
In service
The locomotives were used on suburban trains in Wellington and Auckland.
Rimutaka Incline

WG 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
The Rimutaka Incline was a , gauge railway line on an average grade of 1-in-15 using the Fell system between Summit and Cross Creek stations on the Wairarapa side of the original Wairarapa Line in the Wairarapa district of New Zealand. The t ...
to assist the "Fell" locomotives cope with the military traffic to and from the
New Zealand Expeditionary Force
The New Zealand Expeditionary Force (NZEF) was the title of the military forces sent from New Zealand to fight alongside other British Empire and Dominion troops during World War I (1914–1918) and World War II (1939–1945). Ultimately, the NZE ...
s 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.
Withdrawals
All of the locomotives were withdrawn by 1956.
See also
*
NZR W class
New Zealand Railways may refer to KiwiRail which is the current rail services owner/operator and infrastructure owner/maintainer.
New Zealand Railways may also refer to the following companies:
* New Zealand Railways Department (also known as Ne ...
*
NZR WA class
*
NZR WB class
*
NZR WD class
*
NZR WE class
*
NZR WF class
*
NZR WW class
*
NZR WS / WAB cla