An earth-working roller system for an agricultural machine, comprising - an earth-working roller assembly, comprising - a first earth-working roller member and a second earth-working roller member; and - a first support member and a second support member, the first and second support members (13, 14) supporting the first and second earth-working roller members (11, 12) on opposite sides in a relative position and allowing free rotation of the first and second earth-working roller members (11, 12); - a frame member; - a joint assembly connecting the earth-working roller assembly and the frame member, the joint assembly - being adapted to allow rotational movement of the earth-working roller assembly relative to the frame member; and - comprising a first joint member having a guiding opening and a second joint member having a guiding member, the guiding member being movable along the guiding opening during the rotational movement of the earth-working roller assembly relative to the frame member; and - a first adjustment mechanism (30, 31) adapted to adjust a movement limitation for the rotational movement of the earth-working roller assembly relative to the frame member; characterized by one or more stop members releasably provided in the guiding opening, the one or more stop members defining a shortened trajectory compared to a trajectory provided for the guiding member in the guiding opening without having the one or more stop members releasably provided in the guiding opening. - an earth-working roller assembly, comprising - a first earth-working roller member and a second earth-working roller member; and - a first support member and a second support member, the first and second support members (13, 14) supporting the first and second earth-working roller members (11, 12) on opposite sides in a relative position and allowing free rotation of the first and second earth-working roller members (11, 12); - a first earth-working roller member and a second earth-working roller member; and - a first support member and a second support member, the first and second support members (13, 14) supporting the first and second earth-working roller members (11, 12) on opposite sides in a relative position and allowing free rotation of the first and second earth-working roller members (11, 12); - a frame member; - a joint assembly connecting the earth-working roller assembly and the frame member, the joint assembly - being adapted to allow rotational movement of the earth-working roller assembly relative to the frame member; and - comprising a first joint member having a guiding opening and a second joint member having a guiding member, the guiding member being movable along the guiding opening during the rotational movement of the earth-working roller assembly relative to the frame member; and - being adapted to allow rotational movement of the earth-working roller assembly relative to the frame member; and - comprising a first joint member having a guiding opening and a second joint member having a guiding member, the guiding member being movable along the guiding opening during the rotational movement of the earth-working roller assembly relative to the frame member; and - a first adjustment mechanism (30, 31) adapted to adjust a movement limitation for the rotational movement of the earth-working roller assembly relative to the frame member;