Tags: Locomotive.
The OA class is a solitary steam locomotive built by the Baldwin Locomotive Works for the Wellington and Manawatu Railway (WMR) in New Zealand. Ordered in 1894 it entered service in August of that year as No. 13 and was the first narrow gauge Vauclain compound in the world. In 1908 the WMR and its locomotive fleet were purchased by New Zealand Railways Department (NZR) and incorporated into the national rail network and although No.