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It was invented in Mesopotamia. They were made from solid wood. Animals pulled carts on wheels. A thousand years later, spokes were added which made the wheels much lighter.
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It was invented in French by the Frenchman Nicolas Cugnot. The steam tractor worked by pumping pistons up and down to move the wheels. But the tractor was very heavy and unestable.
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It was invented by Richard Trevithick in England. In 1829, George Stephenson and his son Robert won a competition to invent the fastest steam train. The Stephensons' "Rocket" could travel at 48 kph.