A truck (North American
Truck and Australian English) or lorry (British, Commonwealth and Irish English) is a motor vehicle designed to transport cargo. Trucks vary greatly in size, power and configuration, with the smallest
Special truck being mechanically similar to an automobile. Commercial trucks can be very large and powerful, and may be configured to mount specialized equipment, such as in the case of fire trucks and
Tractor truck concrete mixers and suction excavators. Modern trucks are powered by either gasoline or diesel engines, with diesel dominant in commercial applications.