(1) According to the automatic transmission assembly of the car drive type, there are front-drive FWD, rear-drive RWD and four-wheel drive or all-wheel drive (4WD/ AWD) of the points;
(2) according to the control system of the automatic transmission control mode, there are mechanical hydraulic control automatic transmission and electronic hydraulic control transmission. In recent years and the development of new electronically controlled mechanical automatic transmission, such as dual clutch automatic transmission;
(3) According to the automatic transmission gear form, there are planetary gear type automatic transmission and parallel shaft gear automatic transmission;
(4) According to the automatic transmission speed ratio change form is divided into stepped and stepless automatic transmission. The automatic transmission that we usually refer to is the electro-hydraulic automatic transmission.
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