The WAGR N Class tank engines were 4-4-4T type steam locomotives operated by the Western Australian Government Railways

Western Australian Government Railways

Western Australian Government Railways was most common name of the Western Australian government rail transport authority from 1890 to 1976. It is, in its current form, known as the Public Transport Authority of Western Australia....

. The type was introduced in 1896 and initially served in both Perth and Kalgoorlie, but traffic was lost to Kalgoorlie within a few years and the type was withdrawn to Perth. They were used on suburban workings and dominated this role until the arrival of the D class

WAGR D Class

The WAGR D Class was a type of 4-6-4T tank engine used by the Western Australian Government Railways from 1912. It was used mostly on suburban passenger workings and was the basis for the later Dm and Dd classes of tank engine which continued this role until the end of steam on WA's Railways....

tank engines in 1912.