<Tr> <Th> Predecessor </Th> <Td> Turbo - Hydramatic </Td> </Tr> <Tr> <Th> Successor </Th> <Td> 6L80 / 6L90 </Td> </Tr> <P> The 4L60 - E (and similar 4L65 - E) is a series of automatic transmissions from General Motors . Designed for longitudinal engine configurations, the series includes 4 forward gears and 1 reverse gear . It is an evolution of the Turbo - Hydramatic 700R4, originally produced in 1982 . </P> <P> The 4L60 - E and 4L65 - E are built at Toledo Transmission in Toledo, Ohio and have also been built at Romulus Transmission in Romulus, Michigan and Ramos Arizpe, Mexico . </P>

How many gears are in a 4l60e transmission
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