a self - adjusting twin or dual dry clutch assembly for a dual clutch transmission includes a single actuator . the clutch assembly includes one center and two outer clutch drive plates or discs which independently engage a pair of interleaved driven clutch plates or discs which are coupled to and drive a respective pair of transmission countershafts or layshafts . the single actuator translates an internal clutch carrier which acts upon the outer clutch plates through respective pluralities of linear one way clutches . self - adjustment of the dual clutch assembly is achieved by additional linear one way clutches acting through pairs of spring biased control rods .