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 . <EOS>