Abstract: The invention relates to a production system for producing sausage-shaped products, in particular sausages, containing a flowable filling material in a tubular or bag-shaped packaging casing, the production system comprising: a filling unit for providing and conveying the filling material in filling direction into the tubular or bag-shaped packaging casing, the filling unit comprising an outlet; a clipping unit for closing the packaging casing filled with the filling material; and a coupling unit extending along a filling axis for coupling the filling unit and the clipping unit, the coupling unit comprising: an adapter piece configured to be arranged at the outlet of the filling unit; a connector piece configured to connect the clipping unit and the adapter piece; and a filling tube configured to be connected to the connector piece for feeding filling material into the tubular or bag-shaped packaging casing stored on the filling tube, wherein the coupling unit comprises at least one first tool for assemb