Fans of the cooling system are given by electric motors of a direct current with excitement from permanent magnets. The controller of a control system of the engine on which the signal from the sensor of temperature of cooling liquid arrives operates operation of fans. Depending on a thermal condition of the engine, ambient temperature and from that, the conditioner is switched on or not, the controller includes the high or low speed of operation of fans. Electric motors of fans of the cooling system of the engine do not need service. In case of failure of the electric motor replace it new.