The curb weight of a car is what we used to call "empty weight". The so-called vehicle kerb quality refers to the weight of the vehicle after it is fully equipped according to the factory technical conditions (such as spare tires and tools). ) and filled with various oils and water.

This is an important design index of automobile. This indicator should be both advanced and practical. It is closely related to the design level, manufacturing level and industrialization level of automobiles. Under the condition of the same vehicle type, whoever optimizes the design method, who has superior production level and who has high industrialization level will reduce the servicing quality.

lorry

Trucks are generally called trucks, also known as trucks, which refer to cars that are mainly used to transport goods, and sometimes refer to cars that can tow other vehicles, belonging to the category of commercial vehicles. Generally, according to the weight of the car, it can be divided into heavy and light. Most trucks use diesel engines as power sources, but some light trucks use gasoline, liquefied petroleum gas or natural gas.

Truck, whose official name is truck, is a kind of vehicle used to carry goods and commodities, including dump trucks, tractors, off-road and off-road trucks, and various vehicles specially manufactured for special needs (such as car ferries, fire engines and ambulances, tank trucks, container tractors, etc.). ).

In fact, the classification of trucks in China society is very confusing, and some of them are classified according to the total mass and the exhaust capacity of useful engines. The new national standard "Terms and definitions of automobile and trailer types" divides trucks into commercial vehicles, which are subdivided into: general trucks, multi-purpose trucks, full trailer tractors, off-road trucks, special work trucks and special trucks.