A tractor implement hitch (10) comprising a pair of lower links (12) connected to respective lift rods (15) which are moved by a hitch actuator (17a). Each lift rods (15) is provided with means for shortening its effective length so that the lower links (12) can be raised to a higher position when the hitch actuator (17a) is used. The hitch (10) is provided with a locking means (23) to lock each lift rod (15) and hold the lower links (12) in the higher position, said locking means (23) automatically releasable upon downward movement of the lower links (12).
