Abstract: Free-play restraining apparatus for a three-point implement hitch, comprising a pair of adjustable, slideway-acting planar uprights mounted to the implement frame adjacent the hitch arms. Length adjustable fore and aft stops mounted to contact each clamp plate and multiple length adjustable stops mounted to each upright and contacting the vehicle frame, along with lubrication fittings opening to the slideway surface, provide a lubricated coplanar slidway restraint.