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    The most advance auto transmission instead of CVT, the world’s 1st 9 speed created by ZF offers smoother gear change and optimize fuel efficiency. We can see most cars in production now shifting to auto 6 speed from 4 speed now and soon, the 9 speed will also be widely used by most cars. Read full news from thestar below.



    DUSSELDORF: A nine-speed automatic gearbox is coming and it can be adapted for use in hybrids and all-wheel drive cars as well as in stop-start applications.

    ZF Friedrichshafen AG presented the world’s first nine-speeder at the International VDI Conference “Transmissions in Vehicles 2011″ earlier this week at the German town of Friedrichshafen, 587km south-east of here.

    With its two model ranges, the ZF transmission covers a torque range between 280Nm and 480Nm. 
    Thanks to its construction kit principle, the basic 9HP transmission can be supplemented in line with special requirements.

    The gearbox is more fuel efficient than a six-speed automatic transmission, offering savings of up to 16% in front-transverse installations.

    The new transmission owes this fuel efficiency to its high total spread of 9.84.

    Very small gear steps can also be realised, resulting in better driving comfort and ensuring the engine always runs in the consumption-optimal speed range.

    In the ninth speed, there are only 1,900rpm at 120kph instead of 2,600rpm in case of transmissions featuring six speeds.

    Development of the world’s first 9-speed automatic passenger car transmissionSignificant improvements in fuel economy expected
    Under high pressure – ZF is working on the development of new fuel-efficient transmission generations. The latest innovation: an entirely new automatic passenger car transmission, developed with 9 gears for vehicles with a transverse engine.

    Already at the IAA 2009 (International Motor Show) in Frankfurt, Germany, ZF presented a concept study for front-transverse transmissions which has entered serial development now. Approximately 80 percent of all passenger cars worldwide feature a transverse engine installation. ZF is developing a state-of-the-art automatic transmission for this type of engine installation, which will significantly improve fuel economy. All around the world, new customer segments will be conquered with this transmission. Transmission production has been scheduled for Greenville, SC, USA.

    Fuel economy and increased performance
    With its 9-speed automatic transmission for vehicles with transverse installed engines, ZF will once again establish a benchmark in terms of fuel consumption. Compared to today’s standard 6-speed automatic transmissions for front-transverse design, ZF’s new 9-speed automatic transmission clearly improves both driving performance and fuel economy. The modern shock absorber systems in the torque converter, which make a rapid lock-up of the converter clutch possible, also mean better fuel economy and lower CO?emissions.

    Just like the 8-speed automatic transmission for longitudinal installation, the new 9-speed front-transverse transmission ensures that the extremely short response and shifting times are clearly below the threshold of perception. This means that double shifts and direct multiple gearshifts are also made possible. Thus, the new transmission system is equipped with the same ‘sporty genes’ as already its 8-speed automatic transmission predecessors; in conjunction with the excellent shift comfort characteristics, they certainly entail ultimate customer satisfaction.

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