1. Coupling system (1) for attaching the implement (4) to the traction machine comprising a first frame (2) extending from the traction machine, and a second frame (3) disposed on the implement side, wherein the first frame (2) and the second frame (3) adapted to engage with one another with a form fit, and the first frame (2) has an opening (13), open towards its lower end, characterized in that the first frame (2) on the side facing towards the opening (13) inner side is formed so that in the opening (13) can be installed with the geometry cal closing interchangeable internal module (19) for centering and / or attachment vala.2 propeller. Connector system (1) according to claim 1, characterized in that for mounting the indoor unit (19) first frame (2) has on the inside at least one recess and / or at least one projection and / or at least one guide rail and / or in that the first frame (2) has on the inner side at least one fixing element for fixing the indoor unit (19) in the opening (13), wherein the locking member includes a locking element and / or actuated mechanically, electrically or hydraulically connector element of and / or actuated mechanically, electrically or hydraulically locking element.3. Connector system (1) according to claim 1 or 2, characterized in that there is a removable inner module (19) adapted to be mounted with positive locking in an aperture (13), with the possibility of fixing in the opening (13), with the possibility of detaching from the opening (13) and removably from the opening (13), the indoor unit (19)1. Соединительная система (1) для присоединения рабочего орудия (4) к тяговой машине, содержащая первую раму (2), расположенную со стороны тяговой машины, и вторую раму (3), расположенную со стороны орудия, при этом первая рама (2) и вторая рама (3) выполнены с возможностью сцепления друг с другом с геометрическим замыканием, а первая рама (2) имеет проем (13), открытый в направлении к ее нижнему концу, отличающаяся тем, что первая