A truck or lorry is a motor vehicle specially made to move goods from one place to another. Trucks differ in size, power and structure. There are smaller trucks and very powerful large trucks made purposely for commercial purposes to carry specific equipment like fire trucks, concrete mixers trucks, garbage trucks, etc. List of Truck Classification by size a. Ultra Light Truck b. Very Light Truck c. Light Truck d. Medium Truck e. Heavy Truck f. Off Road Trucks Trucks can also be classified according to the specific function of the body they carry. 1. Refrigerator truck: It is a truck with a device that is used to move fresh goods from one place to another. Such goods are frozen items which include: ice cream, food, and vegetables, among others. 2. Box truck: This is a cargo box-like container of a vehicle that is designed to carry goods. It’s often designed or structured in an enclosed box-shape with a door fitted at the back or the side of the truck purposely to load and to off-load cargo. 3. Concrete mixer: It is a truck with a container or body for mixing concrete by rotating in one direction in such a way that all particles therein follow the turning circle at a center point with a common velocity. 4. Dump truck: This is also known as a tipper in some English speaking countries. A dump truck is a truck with an open-box container at its back to carry loose materials like sand, gravel etc. It is also designed with elevation in front of the container to lift it up to a higher position to enable off-loading the contents through the rear fitted door. 5. Flatbed truck: This is a trailer having a flat surface to carry objects or cargo. It is the best vehicle in road transportation to carry both long and short containers from both seaport and railway stations to a desired location. 6. Semi-truck: This is a truck with a long trailer attached to the back of it. 7. Tank truck: This is also known as a tanker truck. It is designed to carry liquid materials such as: water, kerosene, petrol, diesel, among others. Some tank trucks are specially designed to carry gasses and any other hazardous and inflammable materials. 8. Tow truck: This is a truck used to tow away other vehicles that suddenly break down on the road probably due to a serious accident or a mechanical fault. Such trucks are designed with special equipment on its back to tow away stuck vehicles on our public roads. 9. Specialized heavy truck: This is also known as a heavy duty truck designed to be used for very difficult and intensive tasks such as carrying oversized equipment or objects. 10. Off-road heavy truck: This is also a very large truck designed specially to be operated away from the public roads.