The dead weight of a 12 cubic meter concrete mixer truck is generally around 36T. The following is a detailed introduction to the weight of the car: 1. Car design indicators: The weight of the car, that is, the curb weight, refers to the weight of the car after it is fully equipped according to factory technical conditions, such as spare tires, tools, etc., and is fully installed and filled with various oils and water. It is closely related to the design level, manufacturing level and industrialization level of automobiles. The vehicle equipment quality is the dead weight of a car, which refers to the weight of the car plus the accessories when it is ready to drive under normal conditions. 2. Related to fuel consumption: The maintenance quality of the car is still an important parameter that affects the fuel consumption of the car. Because the fuel consumption of a vehicle is directly proportional to the quality of the vehicle, that is, the vehicle with the greater the quality of the vehicle consumes more fuel.