| 摘要 |
The multi-speed boat transmission for propulsion systems having a basic transmission for transmitting the motor power to a fixed propeller or water jet has, in addition to a preferably single-speed basic transmission (2), a separate front-mounted transmission (1) for flange-mounting to the basic transmission (2) and stepping-up parts (7, 8, 12), the countershafts (5) being distributed around the periphery of the main shaft (10) of the basic transmission in a manner such that no additional forces act upon the main shaft (10).
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