No, a gearbox is critical to transfer power in the motor to your wheels at the proper rotating speeds. Q4. What is the difference between a clutch plus a gearbox? Automatic transmissions have a vital function in an auto’s operation. They help transmit the motor’s energy to the vehicle’s wheels. https://gearboxauto87417.blogoxo.com/34313511/new-step-by-step-map-for-gearbox-auto