Protection system of a cutting tool (11) for combine (13) relative to a carriage (10) of the transport of the tooling. The system comprises a shoe (29) shaped to be fixed to at least one base (21p) belonging to the cutting tool (11) and, on the other hand, a yoke (30) of the integral attachment of a shoe which is transverse (36) for supporting the cutting tool during its transport to the carriage, the shoe and the yoke being shaped with the walls of the locking and guide the sliding of the transverse and longitudinal centering so that the shoe is positioned by wedging in the stirrup when the cutting tool is placed on the carriage with the bearing on the pad.
