Functional Description - EPICYCLIC Gear Sets
WARNING: This page is about a different car, the 2024 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.
 Courtesy of CHRYSLER GROUP, LLC
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EP1, EP2, EP3, EP4 = Epicyclic gear train.
The 8 forward gears, and reverse are implemented by connecting four single-arm epicyclic gear trains. The two front gear trains have a common sun gear, while the power is always output through the fourth epicyclic gear train planet carrier.