Marine Diesel Engines and Generators
NANNI Australia offers a comprehensive range of high-performance marine diesel engines from 10 HP to 370 HP, and reliable marine generators from 5kW to 35kW—delivering complete marine power solutions for sailboats, powerboats, and large vessels. Whether you’re repowering your boat or outfitting a new build, NANNI’s premium marine diesel engines and generators are engineered for durability, fuel efficiency, and smooth operation on the water.
NANNI Marine Diesel Range
SAILBOAT DIESEL
ENGINES
From 10 to 135HP, in shaft drive and saildrive options. The N-series (10 to 130HP) uses mechanical fuel injection, with no ECU, so it can be serviced anywhere with basic tools.
POWERBOAT DIESEL ENGINES
From 10 to 370HP. Choose Kubota-based engines for cruisers and trawlers, or Toyota-based engines for faster sport and fishing boats.
STERNDRIVE DIESEL ENGINES
From 200 to 320HP. A diesel option for sport boats and cruisers, including petrol-to-diesel repowers like the Mustang 2400.
MARINE GENERATORS
From 5 to 35kW. Every generator set arrives assembled and ready to install, and we can supply the installation equipment.
BOATS REPOWERED WITH NANNI
Spear It Animal
Twin NANNI N4.50 engines for their Lagoon 45 catamaran rebuild
Read the Spear It Animal story
Start your own repower
Send us your boat’s make, model and current engine. A NANNI engine expert will get back to you within 48 hours to talk through your options.