Nanni is an international leader on the market of marine diesel engines with a product range between 10 and 2000 hp, and for power generator sets from 6 kW up to 750 kW. Moreover, Nanni is one of the top three brands for marine inboard diesel engines in the world.
| Power at crankshaft | 373 kW (507hp) |
| Displacement | 9 |
| Configuration | 6 cylinders in line |
| Operation type | 4 strokes Diesel |
| Bore & Stroke | 118.4 x 136 mm |
| Compression ratio | 16:3 : 1 |
| Rated speed | 2400 rpm |
| Idling speed | 650 rpm |
| Peak torque | 1869 Nm |
| Peak torque speed | 1900 rpm |
| Engine base | John Deere |
| Fuel system | Direct injection High pressure Common Rail Electronically controlled |
| Air intake | Turbocharged Air-to-seawater aftercooler |
| Cooling | Closed cooling with heat exchanger |
| Max mounting angle | 0° Front down 12° Front up |
| Alternator | 24 Volt 50 Amp |
| Rating | M4 |
| Emission compliance | IMO Annex VI compliant EPA marine Tier 3 NRMM 97/68/EC RCD2 2013/53/EU |
| Dry weight with TM345A | 948 kg |