A production facility, comprising: a plurality of production units coupled to each other in a separable manner; a guide rail extending in a unit coupling direction of the production facility; and transfer means capable of sequentially transferring, by moving along the guide rail, a workpiece from one of the plurality of production units arranged at one end of the production facility in the unit coupling direction of the production facility toward another one of the plurality of production units arranged at another end of the production facility in the unit coupling direction of the production facility, each of the plurality of production units comprising: a processing section configured to execute predetermined processing; a control section configured to electrically control an operation of the processing section; a rail member constructing the guide rail; a slide member constructing the transfer means, the slide member comprising a workpiece holding portion; and a connector configured to electrically connect the control section of the each of the plurality of production units and the control section of one of the plurality of production units adjacent to the each of the plurality of production units, characterized in that the transfer means is advanced or retreated along the guide rail by applying power in the unit coupling direction of the production facility from drive means) which is provided separately from the transfer means and is arranged on the lower side of the transfer means with respect to the slide member of one of the plurality of production units. a plurality of production units coupled to each other in a separable manner; a guide rail extending in a unit coupling direction of the production facility; and transfer means capable of sequentially transferring, by moving along the guide rail, a workpiece from one of the plurality of production units arranged at one end of the production facility in the unit coupling direction of the production facility toward another one of the plurality of production units arranged at another end of the production facility in the unit coupling direction of the production facility, each of the plurality of production units comprising: a processing section configured to execute predetermined processing; a control section configured to electrically control an operation of the processing section; a rail member constructing the guide rail; a slide member constructing the transfer means, the slide member comprising a workpiece holding portion; and a connector configured to electrically connect the control section of the each of the plurality of production units and the control section of one of the plurality of production units adjacent to the each of the plurality of production units, characterized in that the transfer means is advanced or retreated along the guide rail by applying power in the unit coupling direction of the production facility from drive means) which is provided separately from the transfer means and is arranged on the lower side of the transfer means with respect to the slide member of one of the plurality of production units. a processing section configured to execute predetermined processing; a control section configured to electrically control an operation of the processing section; a rail member constructing the guide rail; a slide member constructing the transfer means, the slide member comprising a workpiece holding portion; and a connector configured to electrically connect the control section of the each of the plurality of production units and the control section of one of the plurality of production units adjacent to the each of the plurality of production units, characterized in that the transfer means is advanced or retreated along the guide rail by applying power in the unit coupling direction of the production facility from drive means) which is provided separately from the transfer means and is arranged on the lower side of the transfer means with respect to the slide member of one of the plurality of production units.