Marine Diesel Engines and Generators

Powerboat and sailboat at sea powered by NANNI marine diesel engines

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.

Spear It Animal chooses NANNI
NANNI sailboat marine diesel engine

NANNI’s sailboat engines range from 10HP to 135HP and include both shaft drive and saildrive options. Designed for reliability and efficiency, they deliver strong, low-RPM thrust, smooth manoeuvrability, and lasting performance for long-distance cruising.

NANNI powerboat marine diesel engine

NANNI’s powerboat engines range from 10HP to 370HP, offering reliable, fuel-efficient performance. The Kubota-based range suits cruisers and trawlers, while the Toyota-based engines deliver high-speed power for sport and fishing boats.

NANNI sterndrive marine diesel engine

NANNI’s range of powerful and reliable sterndrive engines offers horsepower options from 200 to 320 HP, making them ideal for various powerboats, including sport boats, cruisers, sport fishing vessels, and more.

NANNI marine diesel generator

Our generator range covers a power range from 5kW to 35kW. All generator sets are delivered assembled, ready for installation. We can provide all installation-related equipment

SV Delos 1.0 with its NANNI N4.80 marine diesel engine

SV Delos Repowers Delos 1.0 with a NANNI N4.80 engine

Read the Delos story
A Mustang 2400 powerboat motors across the open ocean

Repowered from petrol to diesel with a NANNI Z4.270 sterndrive

Read the Mustang story
Jo and Timo of Sailing NV on the bow of their ex-Vendee Globe Open 66 sailing yacht

Ex-Vendée Globe Open 66 sailboat repowered with NANNI N4.65

Read the Sailing NV story