the Italian leader in the sale and assistance of diesel equipment for marine and land use

Tonissi is the exclusive importer for Italy of marine engines for pleasure and commercial boats MAN Truck & Bus and and Nanni Diesel Industries, together with that of Aventics Rexroth Pneumatics electronic control systems.


Prestigious representations and exclusive imports for Italy. Ranieri Tonissi is the reference point for some of the most important brands in the sector. Choose the brand you are interested in to find catalogs, technical data sheets and more.


We are importers in Italy, Malta and dealer in the Balkans of AVENTICS Rexroth Pneumatics – Hannover–control and manoeuvre joystick systems.

We are importers in Italy of NANNI DIESEL marine engines: inboard 7-808 kW engines, stern drive 73-282 kW engines and 3.5-500 kW generators.

We are exclusive importers in Italy of MAN 147-1400 Kw marine diesel engines, manufactured by MAN Truck & Bus.


We are European exclusive importer of Top System Surface Drive. Top System is a system of drives with surface propellers of variable trim and direction.

We are exclusive importers in Italy of onboard generators for marine application betweeen 32 and 2500 kWe, manufactured by Lindenberg Anlagen GmbH in Rösrath.


  • Management of ordinary maintenance activities

  • Management of extraordinary maintenance activities

  • Instrumental technical tests aimed at verifying the operating and maintenance status Technical expertise.

  • Logistic support, throughout the Mediterranean area, for the management of technical problems or needs

  • Technical feasibility analyzes for modifications or replacement of the transmissions, propulsion or control systems of your boat

  • Sale of original spare parts

  • Management of interventions dedicated to the adaptation or refurbishment of the engine room and on-board systems following new engines or technical updates Cleaning of tanks and preventive treatment of diesel. A special service that will allow you to avoid costly maintenance on your engines, due to the deterioration of the fuel