On very early locomotives it is possible to find a purely hand driven wipers.

This arrangement is only used on very small locomotives.

They were often installed on small locomotives, electric interurban equipment.

Awaiting major restoration but there are plans for it to have one once work has been completed on other locomotives first.

Pony trucks of similar design became very popular on British locomotives thereafter.

On locomotives, these trucks may have two, three or possibly four axles, making the truck quite long.

The E60's were based on existing locomotives designed for freight service.

The number of driving wheels on locomotives varied quite a bit.

A reversing mechanism of some type has been present on locomotives almost since inception.

Originally an aftermarket product, the system is also available as an option on new locomotives.