| 摘要 |
The invention relates to a self-propelling construction machine which has a chassis 1 which has wheels or crawler track units 1A, 1B. The construction machine according to the invention is distinguished by the fact that the gear mechanism system 6 for transmitting the drive power from the drive unit 5, which comprises at least one internal combustion engine 5A, to the working unit 4, which comprises at least one working assembly 4A, does not have a conventional clutch with which the working unit can be activated but instead has a hydrodynamic gear mechanism 10 which has a drive shaft 10A and an output shaft 10B. The construction machine has a control device 16 which is embodied in such a way that the drive power which is transmitted from the drive unit 5 to the wheels of the crawler track units 1A, 1B via the first power transmission line I is controlled in such a way that the rotational speed difference Delta=n1-n2 between the drive shaft and the output shaft of the hydrodynamic transmission of the second power transmission line II corresponds to a predefined value.
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