Automobile Types 3. Heavy vehicles Trucks belong to heavy vehicles. Generally, they are built for carrying heavy loads. Articulated vehicles and tipping vehicles fall into the type. Buses are another type of heavy vehicles. According to their length and design, busses can also be classified as small medium, large and articulated buses. agricultural vehicles are another type of heavy vehicles, like tractors There are many other special types of heavy vehicles such as street water sprinklers, ambulances and fire-engines(fire-trucks) They serve us in our daily li泽邦科技 3. Heavy vehicles Trucks belong to heavy vehicles. Generally, they are built for carrying heavy loads. Articulated vehicles and tipping vehicles fall into the type. Buses are another type of heavy vehicles. According to their length and design, busses can also be classified as small, medium, large and articulated buses. agricultural vehicles are another type of heavy vehicles, like tractors. There are many other special types of heavy vehicles such as street water sprinklers, ambulances and fire-engines (fire-trucks). They serve us in our daily life. Automobile Types