Johnston 16-wheeler
The Marlborough Timber Co's Type 'A' 0-4-0 at Opouri Valley in the Marlborough Sounds.
This lokey was transferred in 1924 to their operation at Port Craig where, because of its original
home was called 'Nydia Bay'. It pushed a water tank mounted on a trolley in front.
Cylinders were 6-3/4" in diameter (170mm) and the boiler operated at 140 psi (965 kPa).
A 1928 scene on More & Sons Longwood operation. This was a rebuilt Type 'A' with flangeless center
wheels giving added adhesion. it is equipped with a four-wheel tender for water and wood fuel.
1902 Type 'A' now on display at Porakino Pinic area near Invercargill. This was a More & Sons loco
modified with the two flangeless center wheels.
More & Sons Type 'A' on their tramway near Riverton complete with four-wheel water tank.
Photographed outside Johnston's works in 1913, this loco was built for the Wairio Railway & Coal Co.
but it later found its way into bush tramway service with Marlborough Timber Co. Port Craig. Cylinders
were 7½" (190mm) with a boiler pressure of 160 psi (1100kPa).
Another picture of the Wairio Railway & Coal Co. loco. The balloon stack was eventually replaced with a conventional stovepipe funnel. It was also fitted with a saddle tank and had its cab extended rearwards for extra firewood.