English to Italian Tech/Engineering Food & Drink impianto per la produzione della birra

Sono due cose diverse e c'è differenza di traduzione tra le due cose? Perché cercando (Mac Graw Hill, Grand dictionnaire terminologique, Marolli, Eurodicautom...) sembrerebbe che entrambi si possano tradurre "motore ad ingranaggi" o "motore con riduttore ad ingranaggi". Qualcuno mi può aiutare? Grazie

The plate cleaner is a caisson made of st. st. folded plates closed on both ends. It is equipped with a 0.18 kW **gear motor** connected to a driving shaft equipped with
wheels on both ends for shifting and guiding the plate cleaner. (...)
The **gear motor** of the plate cleaner is started in forward direction in order to locate the plate cleaner at a predetermined distance of the filter plate to be cleaned.(...)
The **gear motor** driving the filter shifting sleds is started forward to pick up the next filter plate. (...)
- Driving chain between **geared motor** and control shaft.
Regularly check the stretching of chains (...)
Maintenance of plate cleaner motion **geared motor**:
see documentation in technical file (...)