The wheel hub (10) is assembled of a brake unit comprising a set of stationary (14) and a set of movable disks (16), an outer hub (18) and a brake housing (20), forming a space (22) for the multi-disk unit (12). A coolant is moved inside the inner space (2...

The equalization system (10) is applied to the central pivot (16) of the bogie. There is a central drive shaft (12) with gear teeth engaging at least one planet gear (32) rolling round inside a ring gear (76) bolted (82) to the housing (18). The planet gea...