| 摘要 |
A planetary wheel end assembly includes an axle shaft having an inboard end and an outboard end and a planetary gear assembly that receives driving input from the axle shaft. The planetary gear assembly includes a sun gear that is fixed for rotation with the axle shaft, a plurality of planet gears that are in meshing engagement with the sun gear, a non-rotating ring gear that is in meshing engagement with the planet gears, and a planetary spider that supports the plurality of planet gears. The planetary spider provides driving output to rotate a wheel component. The sun gear includes a sun gear body having a plurality of sun gear teeth in meshing engagement with the planet gears and a plurality of splines that are coupled with mating splines on the axle shaft. The plurality of splines are axially inboard of the plurality of sun gear teeth.
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