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6.420TDI Nanni

Nanni Ref. 6.420TDI
Last edited by
? 2026-04-19 18:13
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The Nanni 6.420TDI is a 6-cylinder inline, 4-stroke diesel inboard marine engine based on a Toyota engine base, available in 275, 305, and 320 HP variants. It features a 4.2-litre displacement with turbocharging and intercooler, closed cooling with heat exchanger, and direct mechanical injection. The engine is designed for compact installation with high power density and is compatible with shaft line and water jet transmissions.

Characteristics

Hover any value for notes and sources
Horse Power
320 Hp
Torque
— Nm
Torque
—
Weight
469KG
Number of Cylinders
6
Cylinder Layout
inline
Displacement litres
4.2Liter
Is Injection
Yes
Has a Turbo
Yes
Block Material
—
Cooling System
Water-cooled
Compression Ratio
—
Starter Type
—
RPM Range
—
Emission Standard
Other Regional Standard
Dimensions
124.2cm  × 66.9cm  × 75.6cm
Certifications
—
Documentation URL
https://nannienergy.com/product/engine-6-420tdi/

Maintenance schedule

14 tasks · 7 intervals
No maintenance data is available for this equipment. Showing generic defaults — likely incorrect for this specific model.
Task After 50h Daily Every 12mo Every 24mo Every 36mo Every 200h Every 500h
Change Change Fuel Filter
Change Change Oil
Change Change Oil Filter
Inspect Inspect coolant levels & state
Inspect Inspect there is no clogging, that filters are clean
Inspect Check for water in fuel filter
Change Change Air Filter
Inspect Inspect belt tension & Inspect belts for wear and tears
Inspect Inspect turbocharger visually
Change Change Raw water impellar
Inspect Inspect calibrated heat exchanger cap visually
Inspect Inspect thermostat visually
Inspect Inspect engine mounts visually
Mechanical Check & Adjust valve clearances