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Nanni N3.21 Marine

Nanni Diesel Nanni N3.21 · N3. family: specifications, its industrial/tractor base engine, cross-referenced parts and where to buy them.

🚜 Base engine confirmed

The Nanni N3.21 is a marinized Kubota D722 industrial block (719cc 67x68mm 3-cyl); its internal service parts cross to Kubota D722 part numbers. source

19.6 hp14.4 kW
719 ccdisplacement
67×68 mmbore × stroke
3-cylcylinders
NAaspiration
📋 Full specifications 15 🚜 Industrial / tractor base 419 🔧 Aftermarket
Cheaper-part coverage · 1/8
🚜 Base engine ✓🌀 Impeller💧 Raw-water pump🛢️ Oil filter⛽ Fuel filter🌡️ Thermostat➰ Belt⚓ Anode

A ✓ means at least one cheaper channel — aftermarket, the tractor/industrial base engine, or a standard component — exists for this engine in that category.

I haven't linked this model's own parts catalogue yet

Sound capsule, controls and the marinizing kit live in the marine book. I haven't loaded that one here. Internal diesel service parts are the industrial/tractor numbers listed above. Order those by the base-engine part number.

📚 Manuals & Sources
Specs— none yet
Operator's Manual
Service / Workshop Manual— none yet
Parts Catalog / List— none yet

External links — we host none of these documents.

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Category
Marine
Engine family
N3.
Cylinders
3
Rated output
19.6 hp (14.4 kW)
Bore × stroke
67 × 68 mm
Displacement
719 cc
Max rpm
3600
Aspiration
Naturally aspirated

Related N3. engines

Nanni N3.30