LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2021 >> Bronco Base, 2D Utility, 2.3L Eng VIN H, Part Time T/Case Control, Automatic Trans >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission - 10-Speed Automatic Transmission - 10R60 Part 1 >> Description And Operation >> Transmission Description - System Operation and Component Description >> Component Description >> Powerflows >> 8th Gear
April 5, 2026: LEMON Manuals is launched! Read the announcement.

8th Gear

GFD625861Courtesy of FORD MOTOR COMPANY
Item  Description 
1 A clutch
2 One-Way Clutch (OWC)
3 Input shaft
4 Sun gear No. 2
5 Ring gear No. 2 and sun gear No. 3
6 D clutch
7 F clutch
8 Ring gear No. 4
9 E clutch
10 Shell and sun gear No. 4
11 Output shaft and planetary carrier No. 4

The B clutch is holding the sun gear No. 2 stationary. The input shaft turns the planetary carrier No. 2 and causes the ring gear No. 2 and sun gear No. 3 to rotate at a 0.63 overdrive ratio. The D clutch and F clutch are applied allowing torque to be transferred from the planetary No. 3 to the ring gear No. 4 at a 0.82 overdrive gear ratio. The E clutch is applied allowing torque to be transferred from the input shaft to the shell and sun gear No. 4 at a 1:1 ratio. The 2 inputs to the 4th planetary gearset cause the output shaft and planetary carrier No. 4 to rotate at a 0.85 ratio.