It had been 1st launched in 1939 for automobiles. It consists of the fluid coupling and a few planetary gears. They collectively make 3 forward and one reverse pace. There is not any clutch for engagement and disengagement with the engine. Nintendo Swap is actually a trademark of Nintendo. https://gearbox91109.ttblogs.com/13451527/how-much-you-need-to-expect-you-ll-pay-for-a-good-gearbox