A transmission provides a series of gears or gear ratios that tailor the engine speed to ... Manual transmissions have shift levers that the driver must manipulate to shift are different from semi-automatic and automatic transmissions .
|Title||:||Certain Automated Mechanical Transmission Systems for Medium-Duty and Heavy-Duty Trucks and Components Thereof, Inv. 337-TA-503|
|Author||:||U.S. International Trade Commission|
|Publisher||:||DIANE Publishing -|