A hydraulic transmission circuit comprising at least two main ducts (26, 28) respectively for fluid feed and for fluid discharge; the hydraulic transmission circuit further comprising: • at least first and second elementary hydraulic motors (12, 14, 16; 112, 114; 312, 314, 316; 506, 508; 602, 604, 606, 608) that are associated for procuring a common drive, each elementary motor having two secondary enclosures (25, 27; 125, 127, 135, 137; 340, 342, 344, 346; G1, G2, G3, G4), one for feed and one for discharge; • a fluid distributor (30, 130) for distributing the fluid from said main ducts to said elementary motors via their secondary enclosures; and • a control system for controlling the elementary motors; wherein the fluid distributor has valve means (34, 36; 134, 136, 138, 140) connected to the two secondary enclosures of the first elementary motor; the hydraulic transmission circuit being characterized in that: - said valve means are suitable for putting each of the secondary enclosures of the first elementary motor (12, 112, 312) into communication with either one of the main ducts, independently of the other secondary enclosure; and - the control system is suitable for piloting the valve means in such a manner that, in an operating mode of the circuit, two elementary motors deliver torque in opposite directions. the hydraulic transmission circuit further comprising: • at least first and second elementary hydraulic motors (12, 14, 16; 112, 114; 312, 314, 316; 506, 508; 602, 604, 606, 608) that are associated for procuring a common drive, each elementary motor having two secondary enclosures (25, 27; 125, 127, 135, 137; 340, 342, 344, 346; G1, G2, G3, G4), one for feed and one for discharge; • a fluid distributor (30, 130) for distributing the fluid from said main ducts to said elementary motors via their secondary enclosures; and • a control system for controlling the elementary motors; • at least first and second elementary hydraulic motors (12, 14, 16; 112, 114; 312, 314, 316; 506, 508; 602, 604, 606, 608) that are associated for procuring a common drive, each elementary motor having two secondary enclosures (25, 27; 125, 127, 135, 137; 340, 342, 344, 346; G1, G2, G3, G4), one for feed and one for discharge; • a fluid distributor (30, 130) for distributing the fluid from said main ducts to said elementary motors via their secondary enclosures; and • a control system for controlling the elementary motors; wherein the fluid distributor has valve means (34, 36; 134, 136, 138, 140) connected to the two secondary enclosures of the first elementary motor; the hydraulic transmission circuit being characterized in that: - said valve means are suitable for putting each of the secondary enclosures of the first elementary motor (12, 112, 312) into communication with either one of the main ducts, independently of the other secondary enclosure; and - the control system is suitable for piloting the valve means in such a manner that, in an operating mode of the circuit, two elementary motors deliver torque in opposite directions. - said valve means are suitable for putting each of the secondary enclosures of the first elementary motor (12, 112, 312) into communication with either one of the main ducts, independently of the other secondary enclosure; and - the control system is suitable for piloting the valve means in such a manner that, in an operating mode of the circuit, two elementary motors deliver torque in opposite directions.