Integrated electric energy production system comprising a fixed coupling station (CST) and an agricultural tractor (VHE) equipped with an internal combustion engine (E), the station comprising an electric generator (G) having a rotor operatively connected with a transmission shaft (SH) provided with a flange, in such a way the flange is connectible with a PTO of the agricultural tractor (VHE) to drive in rotation said electric generator rotor , wherein said fixed station comprises processing means (CU) operatively connected to said electric generator and comprising a data cable (CB) connectable with a vehicular data network (NET) of the agricultural vehicle (VHE); the system is characterized in that said processing means (CU) are configured to interface with a processing unit (ECU) installed on board the agricultural vehicle to command the execution of at least one of the following procedures: - activation of the agricultural vehicle parking brake, - activation of the internal combustion engine (E) of the vehicle, - switching off the vehicle internal combustion engine (E), - monitoring of a vehicle driveline, commanding a shutdown or inhibition of the ignition of the internal combustion engine when a vehicle driveline is coupled with an output shaft of the internal combustion engine defining a travel configuration; - monitoring of a vehicle transmission, commanding a neutral shift and inhibiting a shift in travel configuration before an activation of the agricultural vehicle internal combustion engine. , wherein said fixed station comprises processing means (CU) operatively connected to said electric generator and comprising a data cable (CB) connectable with a vehicular data network (NET) of the agricultural vehicle (VHE); the system is characterized in that said processing means (CU) are configured to interface with a processing unit (ECU) installed on board the agricultural vehicle to command the execution of at least one of the following procedures: - activation of the agricultural vehicle parking brake, - activation of the internal combustion engine (E) of the vehicle, - switching off the vehicle internal combustion engine (E), - monitoring of a vehicle driveline, commanding a shutdown or inhibition of the ignition of the internal combustion engine when a vehicle driveline is coupled with an output shaft of the internal combustion engine defining a travel configuration; - monitoring of a vehicle transmission, commanding a neutral shift and inhibiting a shift in travel configuration before an activation of the agricultural vehicle internal combustion engine. - activation of the agricultural vehicle parking brake, - activation of the internal combustion engine (E) of the vehicle, - switching off the vehicle internal combustion engine (E), - monitoring of a vehicle driveline, commanding a shutdown or inhibition of the ignition of the internal combustion engine when a vehicle driveline is coupled with an output shaft of the internal combustion engine defining a travel configuration; - monitoring of a vehicle transmission, commanding a neutral shift and inhibiting a shift in travel configuration before an activation of the agricultural vehicle internal combustion engine. <EOS>