The 424 was a universal main line locomotive.

However, by 1881 main line locomotives were getting much bigger and exceeding the capacity of the manufacturing equipment.

Like the other Vizinalbahnen services were initially hauled by old main line locomotives.

For passenger services on not electrified lines, the first prototypes of main line diesel locomotives such as the class 220 were commissioned in 1953.

Superheated steam was widely used in main line steam locomotives.

They were the first main line diesel locomotives in Queensland.

On 4 May 2002, Spalding had the honour of having a main line diesel locomotive named after it.

Looking older than her one hundred years, this diminutive locomotive had a working life that would put some main line locomotive to shame.

The Q1 represented the final development of the British 0-6-0 main line steam locomotive.

The railway has a large collection of industrial steam engines and one main line locomotive.