NZR Wb Baldwin, Inside frame 2-6-2 side tank prairie, 3'6" gauge. 12 delivered in 1898. (corgi)

 

 

Some links to online info about NZR Baldwin loco's are: -   (JRinTawa)

A site by the Baldwin Steam Trust that as well as info on some long term restoration projects on Wb & Wd loco's cover larger tender loco used by NZR

 http://www.baldwin-steam.org.nz/index.html

And from Wikipedia there is

 http://en.wikipedia.org/wiki/NZR_WB_class  and   http://en.wikipedia.org/wiki/NZR_WD_class

Makers picture of a Wb.  The Wb's were 2-6-2's.

Makers picture of a Wd.  The Wd's were built after the Wb's and were 2-6-4's.