A system for folding and unfolding implement structures on an agricultural machine, which comprises a first structure that supports a first implement and a second structure that supports a second implement; wherein the first structure and the second structure are associated with a chassis of the machine; and wherein the first implement and the second implement are configured to remain fixed or to rotate; wherein: - the first structure is associated with a first lateral crossbar of the chassis through a first fixed support; wherein said first structure is configured to move guided in the transversal direction along a first fixed support; - the second structure is associated with a second lateral crossbar of the chassis through a second moveable support that is configured to move in a longitudinal direction guided along the second lateral crossbar of the chassis; wherein said second structure is configured to move guided in the transversal direction along a second moveable support; - a first hydraulic cylinder is connected by a first end to the second moveable support, and by a second end, the first hydraulic cylinder connects to a fixed point of the chassis of the machine; wherein said first hydraulic cylinder is arranged in a longitudinal direction parallel to the second lateral crossbar of the chassis to move the second moveable support; - a second hydraulic cylinder is connected by a first end to the first structure, and by a second end, the second hydraulic cylinder connects to the first fixed support; wherein said first structure is configured to move guided in the transversal direction along the first fixed support by means of said second cylinder; and - a third hydraulic cylinder that connects at one end to the second structure, and by a second end, the third hydraulic cylinder connects to the second moveable support; wherein said second structure is configured to move guided in the transversal direction along the second moveable support by means of said third hydraulic cylinder. - the first structure is associated with a first lateral crossbar of the chassis through a first fixed support; wherein said first structure is configured to move guided in the transversal direction along a first fixed support; - the second structure is associated with a second lateral crossbar of the chassis through a second moveable support that is configured to move in a longitudinal direction guided along the second lateral crossbar of the chassis; wherein said second structure is configured to move guided in the transversal direction along a second moveable support; - a first hydraulic cylinder is connected by a first end to the second moveable support, and by a second end, the first hydraulic cylinder connects to a fixed point of the chassis of the machine; wherein said first hydraulic cylinder is arranged in a longitudinal direction parallel to the second lateral crossbar of the chassis to move the second moveable support; - a second hydraulic cylinder is connected by a first end to the first structure, and by a second end, the second hydraulic cylinder connects to the first fixed support; wherein said first structure is configured to move guided in the transversal direction along the first fixed support by means of said second cylinder; and - a third hydraulic cylinder that connects at one end to the second structure, and by a second end, the third hydraulic cylinder connects to the second moveable support; wherein said second structure is configured to move guided in the transversal direction along the second moveable support by means of said third hydraulic cylinder.