A quick hitch (1) for attaching a tractor to an implement comprising a converter hitch (2), a headstock (3) attachable to the converter hitch (2) and mountable on an implement, a detachable power transmission (25) for transmitting power from a PTO shaft of a tractor to the headstock (3) and guides (35,36) for automatically guiding attachment of the detachable power transmission means, the quick hitch (1) being adapted to facilitate the rapid and safe four-point coupling and de-coupling of the converter hitch (2) fitted to the three point hitch of a tractor or similar vehicle to the headstock (3) fitted to an implement at its three-point mounting.
