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.
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
A ✓ means at least one cheaper channel — aftermarket, the tractor/industrial base engine, or a standard component — exists for this engine in that category.
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.
- Instruction Manual N3.21 Free Marine Diesel Basics
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