Positive clutch for differential for vehicles

The clutch has a driven clutch half coupled to a wheel drive train and a drive clutch half coupled to a main drive train and a second wheel drive train, with rotation sensors for both clutch halves coupled to a control unit for controlling a double-action clutch engagement element, e.g. a hydraulic cylinder (1), for operation of the differential without counter-forces, the counter-force for automatic disengagement provided after engagement of the differential.