The gearbox comprises a complex construction. The many components from the gearbox function collectively in an extremely precise and Secure way. It was 1st released in 1939 for cars. It includes the fluid coupling and 3 planetary gears. They collectively make a few ahead and a person reverse pace. https://gearbox46891.ampedpages.com/new-step-by-step-map-for-gearbox-60782117