Abstract: A portioning-twisting machine for producing cured sausages includes a product portioning element (3) and a twisting element (4) wherein portions are stuffed into a continuous casing and they are twisted. The portioning element (3) and the twisting element (4) are arranged so that the product moves between them linearly, i.e., without changing direction from when it is introduced into the machine to be portioned to its output forming stuffed units, after being twisted in the casing. The twisting element (4) is actuated in its rotation by a second motor (19), which operates independently from the first motor (10), which actuates the rotation of the portioning element (3). The transmission means (20) that link the second motor (19) to the twisting element (4) are accommodated and protected in a frame (21) provided externally on the side of the housing (2) and includes at least one belt (22).