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How automatic transmission works ? What happens when auto-transmission car is going down the hill ? - Quora
![Planetary Gearsets Inside Vehicle Automatic Transmission. Close Up View In Mechanic Workshop During Repairing Stock Photo, Picture And Royalty Free Image. Image 139494354. Planetary Gearsets Inside Vehicle Automatic Transmission. Close Up View In Mechanic Workshop During Repairing Stock Photo, Picture And Royalty Free Image. Image 139494354.](https://previews.123rf.com/images/oskanov/oskanov2002/oskanov200200006/139494354-planetary-gearsets-inside-vehicle-automatic-transmission-close-up-view-in-mechanic-workshop-during-r.jpg)
Planetary Gearsets Inside Vehicle Automatic Transmission. Close Up View In Mechanic Workshop During Repairing Stock Photo, Picture And Royalty Free Image. Image 139494354.
![Front planetary gearset (total height 300mm, 4 pinions), with ring gear (82 teeth) and sun gear (38 teeth 43 splines), automatic transmission 0C8 TR-80SD used Front planetary gearset (total height 300mm, 4 pinions), with ring gear (82 teeth) and sun gear (38 teeth 43 splines), automatic transmission 0C8 TR-80SD used](https://maktrans.net/image/cache/catalog/vadim2/FPLANET0C8300/IMG_4017-800x600-1000x1000.jpg)