There are a variety of different types of trucks designed for different purposes and needs. Some of the most common types of trucks are: Tractor-trailer: a tractor-trailer is used to pull a trailer and is usually used for long-distance hauling. Dump truck: a dump truck is used to haul heavy loads such as sand, gravel and debris and can empty its load using a hydraulic dumping device. Tanker truck: A tanker truck is used to transport liquid or gaseous materials, such as fuels, chemicals or foodstuffs. Refrigerated truck: a refrigerated truck is a special truck designed to transport temperature-sensitive goods, such as food or medicine, while maintaining a certain temperature. Delivery truck: a delivery truck is mainly used for transporting smaller goods or as a courier vehicle. Dump truck: a dump truck is used to transport large amounts of debris, soil or similar materials and can also hydraulically empty its load. These are just a few examples of different types of trucks, there are many more depending on the need and application.