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Everything You Need from One Trusted Supplier


Mechanical Engineering 

All Mechanical engineering services are available from Tonsai Marine, from spot repairs and emergency callout to refit replacement and major overhauling.

Our Expertise extends to all mechanical and hydromechanical parts and machinery found on all pleasure craft and lager vessels. 

  • Diesel and Gasoline Engines

  • Power Generation

  • Stabilisers and Thrusters 

  • HVAC

  • Water purification and Desalination

  • Hydraulic Cranes and Gantries 

  • Through Hull equipment and Valves

Electrical Engineering

Complete Ship Systems, operational electronics and shoreside supplies.

Certified Electrical Technicians and Engineers for both HV and LV applications, Digital Control Communication systems and Logic controls.

  • Shore Power, Distribution and Isolation

  • Electrical Testing and Galvanic Protection

  • Power Generation and Stored Energy

  • Vessel Controls and Navigation

  • Stability and Propulsion Controls

  • Audio Visual and Lighting

  • Fire Detection and Suppression Specialist

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Preventive Maintenance

Scheduled Servicing and planned maintenance are an important part of owning and managing a Sailing Yacht, Motor Yacht or Ship.

Tonsai Marine can offer a number of service and preventive maintenance packages.

  • Servicing to OEM Schedules

  • Planed Preventive Maintenance

  • Refit, Upgrade and Retrofit works

  • Machinery and Equipment Overhauling 

  • Certified testing to OEM Specifications.

  • Lubrication oil Analysis and Reports

  • Fuel Analysis and Reports

  • Sanitation and Deep Cleaning

  • Disposal of Oils, Contaminates and Waste

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