Air inlet system of heavy truck

The utility model belongs to the technical field of heavy trucks, and discloses an air inlet system of a heavy truck, which comprises an air inlet filtering module and an air inlet pipeline module, an inlet of the air inlet filtering module is connected with outside air, an outlet of the air inlet filtering module is connected with an inlet of the air inlet pipeline module, and an outlet of the air inlet pipeline module is connected with an air inlet of an engine. The air filter is arranged between the cab and the engine, and the whole set of air inlet pipeline is fixed on the engine, so that the occupied space is small, and for the whole vehicle, the utilization rate of the frame arrangement space is greatly improved, and the arrangement of other systems is facilitated; the air inlet pipeline is shortened, the air inlet resistance is greatly reduced, and the air inlet efficiency of the engine is improved. 本实用新型属于重型汽车技术领域，公开了一种重型卡车进气系统，包括进气滤清模块和进气管路模块，所述所述进气滤清模块进口连接外界空气，进气滤清模块出口连接进气管路模块进口，进气管路模块出口连接发动机进气口。本实用