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 supporting the first and second earth-working roller members on opposite sides in a relative position and allowing free rotation of the first and second earth-working roller members ; - 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 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 supporting the first and second earth-working roller members on opposite sides in a relative position and allowing free rotation of the first and second earth-working roller members ; - 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 supporting the first and second earth-working roller members on opposite sides in a relative position and allowing free rotation of the first and second earth-working roller members ; - 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 adapted to adjust a movement limitation for the rotational movement of the earth-working roller assembly relative to the frame member ; <EOS>