Main shaft: It is usually known as an output shaft. It offers required torque to your car. It has ridges and tooth And so the gears can shift efficiently. sebaiknya tukar minyak gear dahulu,kadangkala air masuk kedalam gearbox menyebabkan minyak equipment bercampur air dan menyekat equipment dari bekerja dengan baik. https://trevoruvsqn.eedblog.com/33891085/about-gearbox-auto