The CRAB system has been designed to complete larger and more sophisticated measuring cars, and it is ideally used on secondary routes, sidings, switch points and for new track acceptance. The measurement speed is limited to approximately 15km/ph.
The trolley has a triangular bogie which is made from steel or duralumin profiles and is provided by telescopic measuring axe. The electrically insulated wheels have separated wheels and flanges in order to remove different circumferential velocity. The wheel surface treatment is executed in hard chrome. The trolley surface finish is yellow powder paint. The trolley is available in wide range of nominal gauges (1067mm-1668mm).
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