A gripping organ for load-moving vehicles, comprising: a support structure, removably engageable to a support arm of a load-moving vehicle; at least gripping pliers operatively engaged to the support structure and designed to engage at least one object to be moved, the gripping pliers comprising at least a pair of gripping elements which are movable between an operating position, in which the gripping elements engage the object, and a non-operating position, in which the gripping elements are disengaged from the object; wherein the gripping pliers are translatable along a translation direction and are rotatable about a rotation axis which is perpendicular to the translation direction; wherein the support structure comprises a joint rigidly associable with the support arm and a carriage which is slidably associated with the joint and supporting the gripping pliers in order to translate the gripping pliers along the translation direction, the carriage comprising a support body to which the gripping pliers are rotatably connected, such that the gripping pliers may oscillate relative to the support body about an oscillation axis which is perpendicular to said rotation axis; wherein the gripping pliers comprise at least a main body constrained oscillatingly to the support body to oscillate about said oscillation axis (c), the gripping elements being rotatably constrained to the main body for moving between said operating position and said non-operating position; and wherein the carriage comprises a skate rotatably connected to the support body, the skate being slidably associated with the joint, the support body being rotatable about the rotation axis relative to the skate in order to rotate the gripping pliers. a support structure, removably engageable to a support arm of a load-moving vehicle; at least gripping pliers operatively engaged to the support structure and designed to engage at least one object to be moved, the gripping pliers comprising at least a pair of gripping elements which are movable between an operating position, in which the gripping elements engage the object, and a non-operating position, in which the gripping elements are disengaged from the object; wherein the gripping pliers are translatable along a translation direction and are rotatable about a rotation axis which is perpendicular to the translation direction; wherein the support structure comprises a joint rigidly associable with the support arm and a carriage which is slidably associated with the joint and supporting the gripping pliers in order to translate the gripping pliers along the translation direction, the carriage comprising a support body to which the gripping pliers are rotatably connected, such that the gripping pliers may oscillate relative to the support body about an oscillation axis which is perpendicular to said rotation axis; wherein the gripping pliers comprise at least a main body constrained oscillatingly to the support body to oscillate about said oscillation axis (c), the gripping elements being rotatably constrained to the main body for moving between said operating position and said non-operating position; and wherein the carriage comprises a skate rotatably connected to the support body, the skate being slidably associated with the joint, the support body being rotatable about the rotation axis relative to the skate in order to rotate the gripping pliers.