The development of automotive technology continues to move dynamically. One is the number of teeth in modern automatic transmissions continues to grow. More gear ratios give some advantages like effect gearshift (upshift or downshift) is more delicate because the ratio between the teeth denser, more fuel efficient while gliding at high speed as the engine rotation remains in a round that was not too high.
The problem is getting a lot of gear is crammed in addition swelled production costs and the weight of the vehicle also makes the dimensions of the gearbox will become swollen. On November 2012, officials had stated that the transmission ZF 9 speed homemade represent ‘natural limit’ Extra teeth and if more than the transmission will be more complicated and heavy. However, Ford tried to abort argument with plans ZF 10-speed automatic transmissions for pickup F-150 Raptor 2017 models.
There are still other surprises. Ford recently showcased a detailed 11-speed transmission patents registered on October 4, 2013. The published document that shows three different configurations with a combination of transmission gears, clutch, and brake differently.
According to Ford spokesman Paul Seredynski, the patent document is a method to protect new ideas. This means that Ford would like to announce that it is the first 11-speed transmission design.