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Home >> Ford >> 2024 >> Bronco Big Bend, 2D Utility, Part Time T/Case Control, Automatic Trans >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission - 10-Speed Automatic Transmission - 10R60 (Specifications - Diagnosis & Testing) -- Bronco >> Description And Operation >> Transmission Description - System Operation and Component Description >> Component Description >> Powerflows >> 2nd Gear
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2nd Gear

GFD758586Courtesy of FORD MOTOR COMPANY
Item  Description 
1 One-Way Clutch (OWC)
2 Sun gear No. 2
3 Input shaft
4 Planetary carrier No. 2
5 Ring gear No. 2 and sun gear No. 3
6 C clutch
7 D clutch
8 Planetary carrier No. 3
9 Ring gear No. 3
10 Shell and sun gear No. 4
11 A clutch
12 Ring gear No. 4
13 Output shaft and planetary carrier No. 4

The One-Way Clutch (OWC) holds the sun gear No. 2 stationary on acceleration. 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 C clutch and the D clutch are applied allowing torque to be transferred from the ring gear No. 2 to the planetary carrier No. 3 at a 0.63 overdrive gear ratio. The 2 inputs to the 3rd planetary gearset cause the ring gear No. 3 and the planetary carrier No. 3 to rotate at a 0.63 overdrive ratio. The A clutch and the One-Way Clutch (OWC) are both applied to hold the ring gear No. 4 stationary on acceleration. The shell and sun gear No. 4 drives the pinions of the output shaft and planetary carrier No. 4 in a 2.98 reduction gear ratio.