Traction (rail vehicle)

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Traction (of lat. Trahere "drag, drag and drop") designated at tracks the powered movement to and from railway vehicles .

A distinction is made between traction according to the drive of the vehicles :

• Steam traction, see steam locomotive or steam railcar
• Diesel traction, see diesel locomotive and combustion engine
• Electric traction (often also referred to as "E-traction"), see electric locomotive , electric multiple unit

The joint control of several locomotives from one driver's cab is called multiple traction .

The general change in operations, especially from steam traction to diesel or electric traction , is called the traction change .