This transmission has four ahead gears and one particular reverse equipment. Let's summarize the gear ratios, inputs and outputs: The General Motors Hydra-Matic became the main mass-generated automatic transmission following its introduction in 1939 (1940 product year). Accessible as an option in automobiles including the Oldsmobile Series 60 and Cadillac https://juliusrwabd.dailyhitblog.com/39564315/gearbox-auto-secrets