| 摘要 |
A transmission assembly of a motor vehicle is provided with a gearbox having a motion output shaft, whose end 5 carries, in fixed position, a sprocket wheel, coupled to the crown of a differential to transmit motion from the gearbox to the drive wheels; a drive chain or belt transmits motion from the sprocket wheel to the crown, making the output shaft and the crown turn in the same 10 rotation direction; the crown and the sprocket wheel (5) are interchangeable with a toothed crown and a gear directly meshing with the same transmission ratio.
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