Fourth Gear POWERFLOW: Notes
WARNING: This page is about a different variant/trim than selected.
| 1 - TORQUE CONVERTER LOCK-UP CLUTCH |
| 14 - CENTER PLANETARY CARRIER |
| 2 - TORQUE CONVERTER TURBINE |
| 15 - REAR PLANETARY CARRIER |
| 3 - TORQUE CONVERTER IMPELLER |
| 16 - TORQUE CONVERTER STATOR |
| 4 - HOLDING CLUTCH B1 |
| 17 - FRONT PLANETARY PINION GEARS |
| 5 - HOLDING CLUTCH B3 |
| 18 - CENTER PLANETARY PINION GEARS |
| 6 - HOLDING CLUTCH B2 |
| 19 - REAR PLANETARY PINION GEARS |
| 7 - DRIVING CLUTCH K1 |
| 20 - FREEWHEELING CLUTCH F1 |
| 8 - FRONT PLANETARY ANNULUS GEAR |
| 21 - FRONT PLANETARY SUN GEAR |
| 9 - DRIVING CLUTCH K2 |
| 22 - CENTER PLANETARY SUN GEAR |
| 10 - CENTER PLANETARY ANNULUS GEAR |
| 23 - REAR PLANETARY SUN GEAR |
| 11 - REAR PLANETARY ANNULUS GEAR |
| 24 - FREEWHEELING CLUTCH F2 |
| 12 - DRIVING CLUTCH K3 |
| 25 - INPUT SHAFT |
| 13 - FRONT PLANETARY CARRIER |
| 26 - OUTPUT SHAFT |
| A - ENGINE SPEED |
| B - TRANSMISSION INPUT SPEED |
| 1 - TORQUE CONVERTER LOCK-UP CLUTCH |
| 14 - CENTER PLANETARY CARRIER |
| 2 - TORQUE CONVERTER TURBINE |
| 15 - REAR PLANETARY CARRIER |
| 3 - TORQUE CONVERTER IMPELLER |
| 16 - TORQUE CONVERTER STATOR |
| 4 - HOLDING CLUTCH B1 |
| 17 - FRONT PLANETARY PINION GEARS |
| 5 - HOLDING CLUTCH B3 |
| 18 - CENTER PLANETARY PINION GEARS |
| 6 - HOLDING CLUTCH B2 |
| 19 - REAR PLANETARY PINION GEARS |
| 7 - DRIVING CLUTCH K1 |
| 20 - FREEWHEELING CLUTCH F1 |
| 8 - FRONT PLANETARY ANNULUS GEAR |
| 21 - FRONT PLANETARY SUN GEAR |
| 9 - DRIVING CLUTCH K2 |
| 22 - CENTER PLANETARY SUN GEAR |
| 10 - CENTER PLANETARY ANNULUS GEAR |
| 23 - REAR PLANETARY SUN GEAR |
| 11 - REAR PLANETARY ANNULUS GEAR |
| 24 - FREEWHEELING CLUTCH F2 |
| 12 - DRIVING CLUTCH K3 |
| 25 - INPUT SHAFT |
| 13 - FRONT PLANETARY CARRIER |
| 26 - OUTPUT SHAFT |
| A - ENGINE SPEED |
| B - TRANSMISSION INPUT SPEED |
Speed and torque are not converted by the direct gear ratio of the 4th gear. Power is transferred from the input shaft (25) to the output shaft (26) via three locked planetary gearsets. See Fig 2.