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The world of Audi gearboxes With the innovative new developments in the field of power trans A detailed system analysis carried out by ZF Getriebe GmbH has mission, such as the multitronic gearbox and the dual clutch gear shown that the ever growing list of customer wishes can no longer box, Volkswagen and Audi have radically revised the requirements be satisfied by further enhancement of the existing six speed auto profile for modern multistep automatic gearboxes. matic gearboxes. For this reason, a gearbox series based on an entirely new gearbox concept has been developed for the new In addition to better fuel economy, now a major issue in view of Audi A8 ’10 in collaboration with ZF Getriebe GmbH. the ongoing debate on CO emissions, both dynamics and respon 2 siveness top the list of requirements for sporty premium vehicles. The main focus of development was on These demands have already been satisfied with the launch of the second generation six speed automatic gearboxes by ZF Getriebe better fuel economy with reduced RPM and drag losses GmbH refer to Self Study Programme 385 covering the 0B6 gear improved performance with shorter gear steps, multiple direct box . shifts and a low power to weight ratio design flexibility in the interior through the use of a shift by wire Vibration damping has been improved with the help of new torque concept converters, giving better fuel economy and a more direct driving feel. Thanks to neutral idle control, which reduces torque input These development efforts are reflected in the new eight speed when the vehicle is stationary with the foot brake applied, and a automatic gearboxes 0BK and 0BL. marked reduction in shift and reaction times, the user friendly automatic torque converters have evolved into modern, highly efficient sport gearboxes. When developing the new automatic gearbox we did not focus on the number of gears, but on markedly improved fuel economy and