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Home >> Land Rover >> 2019 >> Range Rover Sport HSE Dynamic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 60 (Automatic Transmission/Transaxle - Vehicles With: 8HP76 8 - Speed Automatic Transmission AWD -- Range Rover Sport/L494) >> Automatic Transmission/Transaxle - Vehicles With: 8HP76 8-Speed Automatic Transmission, AWD (G2362076) >> Description And Operation >> Transmission Description - TDV8 4.4L Diesel (G2284451) >> Description >> Planetary Gear Sets

Planetary Gear Sets

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The 8 forward gears and the reverse gear are produced by a combination of 4 simple planetary gear sets, 3 clutches and 2 brakes. The front 2 gear sets share a common sun gear. Power is output always through the planetary carrier of the 4th gearset.

The 5 shift elements comprising 3 clutches and 2 brakes, are responsible for all 8 forward and reverse gears. High efficiency is achieved by the use of only 2 shift elements disengaged in each gear which reduces drag and so increases the efficiency.