Planetary Gears: Description and Operation

DESCRIPTION AND OPERATION
The overdrive planetary system pinions mesh into the overdrive ring gear and overdrive sun gear and is splined to the input shaft.
The forward planetary system pinions mesh into the forward ring gear and the forward-reverse sun gear and is splined to the output shaft.
The reverse planetary system pinions mesh into the forward-reverse sun gear and the reverse ring gear and is splined to the low-reverse hub.