GEARTRAIN, Planetary: Description
 Courtesy of CHRYSLER GROUP, LLC
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| 1 - ANNULUS GEAR |
| 2 - PLANETARY PINION GEARS |
| 3 - SUN GEAR |
| 4 - PLANETARY CARRIER |
Three planetary gear sets
are used to produce the different gear ratios. These are located in the mechanical part of the transmission as the front, middle and rear planetary gear sets.