shunter

One who or that which shunts; specifically, a railway-servant whose duty it is to move the switches which transfer a train or carriage from one line to another.

A hand-lever used to start and move a railroad-car.

A person employed to shunt cars from one track to another.

A railway locomotive used for shunting; a switcher

A person who carries out shunting operations

a small locomotive used to move cars around but not to make trips