All-wheel drive unit has main gearbox and transfer gearbox, which has loop cycle of gearbox oil and separated from each other by partition wall, where partition wall has two discharge recesses

摘要

The all-wheel drive unit (2) has a main gearbox (3) and a transfer gearbox (42), which has a common cycle of a gearbox oil and are separated from each other by a partition wall (7). The partition wall has two discharge recesses, from which one of a discharge recess holds the gearbox oil in vehicle stop in a transfer gearbox chamber (4) approximately in a volume, which are predetermined in forward driving operation by another discharge recess.