The MT 173 test bench is used to investigate the functionality of various gears. It consists of a drive unit and a brake unit. In addition, four different gears are available as accessories.

To determine the mechanical efficiency, the drive power and the braking power are measured. The components used are common in drive engineering and have practical relevance.

The drive unit uses a three-phase motor with variable speed via a frequency converter.

On the other hand, the braking unit employs an air-cooled magnetic particle brake. This brake allows the braking effect to be finely adjusted by the excitation current, making it a tunable load.