Engine and Transmission
 Gerotto Federico's Suction Excavators use a solution that consists of inserting on the transmission shaft a disconnectable power takeoff  that allows to alternatively connect the back bridge or the fan element. This system offers the advantage of reducing the vehicle weight and space, of facilitating maintenance and of reducing significantly the cost.
Decantation and Storage Container
Useful capacity, of about 8 m³, has been adopted based on initial hypothesis of works with small holes in urban center associated with interventions from the edge of the excavation. The discharge is made by container upsetting, without any manual intervention.
Dusts Filters
The decantation tank cannot guarantee a perfect filtering of aspirated fluid; it was therefore necessary to provide a filtering system to comply with rules on unloading to the atmosphere.
Trunk Aspiration Pipe
The selected flexible pipe responds to the following criterions:
- low weight that allows easy maintenance
- flexibility, impact and abrasion resistance even at low temperatures
- reduced sensitivity to occlusions
Its end is equipped with a removable steel terminal, with a diameter slightly lower. Tank entrance is designed to avoid occlusions. The length takes account of work situation. The suction pipe is supported by a servo-controlled telescopic arm (ascent and descent), rotating on an axis. The aspiration arm-pipe set is conceived in order to be put back in road transport position without disassembling the flexible pipe. 
An ergonomic steering wheel which gathers the various commands is set on trunk so it can be handled in all cases from the excavation  edge.