Trucks are large size vehicles that were invented in the last decade of 19th century. They are mainly used to transport goods and materials. The word 'truck' had its origin from the Greek word 'Trochos', which means 'Wheels'. These are classified into three based on the Gross Vehicle Weight Rating. They are:
Heavy Duty Trucks: The heavy duties are those that can haul the heaviest cargo loads ranging from 19000 pounds to 33000 pounds. They are built heavy and strong to transport heavy goods and materials from the plants or factories to the desired places. Since these come with a lot of features, they are quite difficult to manufacture. Hence, only few companies are manufacturing heavy duty trucks. Some of the prominent names in the market are International Trucks, Ford, GMC, Kenworth, etc. They design and manufacture class 6, 7 and 8 trucks. Some of the popular ones are Septic Suction Truck, Ballast tractor, Chipper, Beverage, Packer, Semi-trailer, etc.