Peronne, a narrow gauge steam locomotive, is used for further runs during special events.

This is the earliest known model of the first narrow gauge locomotive in the world.

A system of grouping narrow gauge locomotives into classes was only adopted at some time between 1928 and 1930.

In Germany, a number of narrow gauge tank locomotives were built with an 0-10-2 configuration.

Although throughout the war they did manufacture narrow gauge locomotives.

They were the first new narrow gauge locomotives ordered by the railroad since 1903.

Some of the narrow gauge locomotives were fifty or more years old, and the rolling stock not much the younger.

Compressed air equipment and narrow gauge locomotives were used inside the tunnel.

The development of narrow gauge locomotives was not so focussed.

For narrow gauge locomotives with the class number 99 a similar scheme was chosen.