A data generation and transmission system in agricultural working machines for exchanging data between mobile working units and/or stationary working units, and actuators includes data generation and transmission elements assignable to at least a portion of the working units, at least a portion of the data generation and transmission elements enabling wireless exchange of data, and an energy required for dealing with generating the data and/or transmitting the data, is associated with the data generation and transmission system so as to produce the data in the data generation and transmission system and/or transmit the data by the data generation and transmission system.