In the late 1920s a number of diesel locomotives were built.
The first diesel locomotive was tested on the line in the 1930s.
Sometimes a tender will be used for a diesel locomotive.
In addition to this it also has ten diesel locomotives.
The rest of the 2-8-8-4s were retired between 1958 and 1963 as diesel locomotives took over.
Various types of diesel locomotives were added to the service.
In the 1950s the first diesel locomotive was used on this route.
From the late 1980s and through the 1990s the class were replaced by diesel locomotives.
The company began to build diesel locomotives in 1931 (and continued up until 1967).
Since then, various types of diesel locomotives were added to the service.