a motor vehicle torque transmission apparatus incorporating a multi - stage torque converter , a main reduction gear and a stepless speed - change transmission . the multi - stage torque converter comprises separate stators . the main reduction gear is connectable to an output section of the multi - stage torque converter . connected to one of the stators and to the main reduction gear is a stepless speed - change transmission therebetween , such that output torque of the stator is added to output torque of the main reduction gear .