to enhance the stability and convenience of the passengers get off, can be round edge of the gear reducer at the bottom of the vertical driven gear; someР double-decker bus in order to further reduce the deck height, cylinder gear used in the round edge Reducer, the main reducer, and differential assembly also moved to a wheel next to the driver.Р In a small number of high-speed engine with a large bus, Bridge Multi-drive cars and super-heavy-duty truck, sometimes using the main worm-reducer, which not only has the quality in a small, compact size of the case could be a big transmission ratio, as well as the work of Smooth silent advantages, but also to the overall layout of the car easily.РDrive-off bridgeР Off-drive off the bridge from the non-drive axle of the obvious characteristics is
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