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A wagon (also alternatively and archaically spelt waggon in British and Commonwealth English) is a heavy four -wheeled vehicle pulled by draught animals or on occasion by humans (see below), used for transporting goods , commodities, agricultural materials, supplies and sometimes people . Wagons are immediately distinguished from carts (which have two wheels) and from lighter four -wheeled vehicles primarily for carrying people , such as carriages. Wagons are usually pulled by animals such as horses , mules or oxen. They may be pulled by one animal or by several, often in pairs or teams. However, there are examples of human -propelled wagons, such as mining corfs. A wagon was formerly called a wain and one who builds or repairs wagons is a wainwright. More specifically, a wain is a type of horse- or oxen-drawn, load-carrying vehicle , used for agricultural purposes rather than transporting people . A wagon or cart , usually four -wheeled; for example, a haywain, normally has four wheels, but the term has now acquired slightly poetical connotations, so is not always used with technical correctness. However, a two-wheeled "haywain" would be a hay cart , as opposed to a carriage . Wain is also an archaic term for a chariot .