Повтор:
The single wheel drives are of a plug-on type gear unit with shrink disc connection and torque support.

Непонятки:
1. plug-on type
2. shrink disc connection
3. torque support

The car frame is of sturdy welded design and is supported by the bogie wagons. Each bogie wagon is equipped with four wheels. Two wheels of one bogie wagon are driven by means of single wheel drives, 6 wheels are undriven.
The single wheel drives are of a plug-on type gear unit with shrink disc connection and torque support.
The electric power supply of the car and the control are performed via trailing cables which are wound up on stationary cable drum.

Как видно, коньтекст ничего не даёт. Немцы, блин, замудрили. Повбывав бы за такое!