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Rolling stock

technology Maturity 11-13 Next article →

Rolling stock is a special name for railway vehicles. This term covers many kinds of things on tracks. It includes powered vehicles like locomotives. It also includes unpowered vehicles like freight cars. Some cars carry passengers in coaches. Other cars are used for non-revenue tasks. These vehicles are very important for rail transport.

There are different ways these vehicles work. Some passenger vehicles are self-propelled. This means they move on their own. Other passenger vehicles are unpowered. These might be single units or multiple units. A train can be made of many different cars. In North America and Australia, people use the word consist. This word describes the specific list of cars in a train. It can also mean a group of locomotives.

Different places use these words in unique ways. In the United States, the term has grown. It now includes wheeled vehicles used by businesses on roads. This is different from the older use of the word trains. The word stock in the name means inventory. This is like a list of items a business owns. It helps people keep track of their moving vehicles.

Rolling stock is different from fixed stock. Fixed stock is also called infrastructure. This includes the tracks and the signals. It also includes stations and buildings. Electric wires are part of the infrastructure too. These things stay in one place to help the railway work. Rolling stock is considered a liquid asset. This means the value is easy to estimate. The vehicles can be shipped to a buyer quickly.

Many different groups build these important vehicles. Large companies make them all over the world. Government agencies also build rolling stock. This has happened in many countries in the past. It still happens in many countries today. There is a large list of these manufacturers. They build everything from small cars to huge locomotives.

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