PURPOSE: A tractor binding device is provided to accord the center of a binding device of a working machine to the link center of a tractor binding device. CONSTITUTION: A tractor binding device comprises: a hanging hook(110) which is combined with the top of a fastening frame in which the lower part thereof is opened; a coupling axis unlocking unit(130) which are coupled with both bottom sides of the fastening frame; and a link joint(140) which are combined with the outside of the coupling axis unlocking unit. In the link joint, a link covering panel is combined with the top of the link connection panel.
