Abstract: A sausage-making machine for pushing a mixture for sausages and other similar products, also produced with relatively fluid filling, comprises: a casing with a hopper-forming lid with a feeder; a rotor; pistons disposed around the rotor axis and movable along directions parallel to the axis of said rotor within through cavities provided in said rotor, said pistons and relevant cavities possibly having a cross-section in the form of circular ring sectors; and between the rotor and the lid, a sealing liner made of self-lubricating synthetic resin, which is retained against rotation and is removable.