Abstract: An automatic production line for processing and assembling components for industries in general, comprising a base frame which supports a plurality of operating units for providing the required processes and forms at least one runway, which affects the operating units and supports at least one trolley for supporting at least one part to be processed, the supporting trolley being provided with a motor for the movement of the trolley, the motor being controlled by an electronic control unit for independent and programmable management, the automatic production line further comprising one unit for transferring the movable trolley on a substantially horizontal plane.