Trains typically have wheels that are connected together by a fixed axle, meaning that the wheels on both sides of the train always turn at the same speed. This can present problems when turning, because one wheel has to cover more distance than the other. Most vehicles solve this problem by decoupling the wheels.

Do trains have tires or wheels?

Railway Wheel and Tire

The wheels of many rail vehicles, especially steam locomotives and older types of rolling stock, are fitted with these steel tires to provide a replaceable wearing element on a costly wheel. ... Resilient rail wheels have a resilient material, such as rubber, between the wheel and tire.

What type of wheels do trains have?

There are two types of locomotive wheels: the overall wheel and split wheel. The locomotive wheels have a larger diameter than common wheels, usually above 1,000mm.