The torque converter is what transfers electrical power with the engine into the gearbox. It is just a fluid coupling that uses hydraulic pressure to multiply the torque from the engine. The torque converter is produced up of 3 major parts: the pump, the turbine, along with the stator. Listen https://filtergearbox48901.wizzardsblog.com/34038260/not-known-facts-about-filter-gearbox