A heavy-duty vehicle is a type of motor vehicle designed to transport large loads or perform demanding tasks. These vehicles typically include trucks, buses, and construction equipment that can handle heavy weights and rough conditions. They are built with powerful engines and robust frames to ensure durability and reliability in various environments. Heavy-duty vehicles are commonly used in industries such as construction, transportation, and logistics. Examples include 18-wheelers, dump trucks, and cement mixers. These vehicles play a crucial role in moving goods, materials, and people, making them essential for economic activities and infrastructure development.