Products > Out-board and In-board engine > Boat in-board engine > Nanni Diesel

Boat engine : in-board diesel engine 20 - 30 hp (indirect injection, natural aspiration)
N3.21 - 21 hp @ 3600 rpm Nanni Diesel

The latest technologies employed by Kubota resulted in a robust design for the N3.21. The industrial engine base is proven in the most difficult conditions of usage.
Reliability and Comfort
This engine has a proven reliability record and the new marinization has even added to its quality level. The latest generation heat exchanger improves the temperature regulation, which quality can particularly be appreciated when a boiler is installed. This system further increases the reliability and longevity of the N3.21.

ENGINE SPECIFICATIONS

Max power kW (hp): 15,4(21)
RPM at max output: 3600
rpm Displacement cc: 719
Number of cylinders: 3 in line
Bore / stroke mm 67 x 68 ( 2,64H x 2,68 ")
Compression ratio: 23/1
Injection: indirect injection( E-TVCS)
Aspiration: Atmospheric
Cooling: Heat exchanger
Alternator: 12 V 60Amp