
Marine propulsion engines | Authorized distributor in Taiwan
Baudouin 6F21
Inline 6-cylinder high-performance common-rail propulsion engine rated 599–735 kW at P3–P5.
599–735 kWRated output
2300 rpmRated speed
12.5 LDisplacement
1450 kgDry weight
Features
Features
Individual cylinder heads
According to the manufacturer, each cylinder has its own cylinder head, so a single cylinder can be serviced on its own for easier maintenance.
2200 bar common-rail injection
According to the manufacturer, a 2200 bar high-pressure common-rail injection system helps meet strict emission regulations while delivering competitive performance.
Specifications
Full specifications
| Configuration | Inline 6-cylinder (L6) |
|---|---|
| Bore × stroke | 127 × 165 mm |
| Displacement | 12.5 L |
| Output range | 599–735 kW (815–1000 hp); also a P3 commercial rating of 581 kW (790 hp) |
| Rated speed | 2300 rpm |
| Duty ratings | P3–P5 |
| Emissions (by rating) | IMO II, EPA 3 (REC); RCD2; P3 581 kW commercial rating: EPA 3 (COM) |
| Fuel injection | Common-rail injection |
| Aspiration | Turbocharged (dry-type, heat-insulated), raw-water-cooled charge air cooler |
| Cooling | Two-stage cooling circuit, tube-type heat exchanger with integrated fresh water expansion tank |
| Fuel system | Double-wall injection pipes with leak detection; duplex fuel filters replaceable while the engine is running; fuel prefilter with water separator |
| Electrical system | 24V DC insulated system, 200A battery charger |
| Engine rotation | Counterclockwise |
| Flywheel / flywheel housing | 14" / SAE 1 |
| Dry weight | 1450 kg (5% tolerance) |
| Dimensions (L × W × H) | 1822 (overall) / 1472 (from flywheel) × 1089 × 1080 mm |
| Fuel consumption at rated power | P3 581 kW: 213 g/kWh (147 L/h); P3 599 kW: 214 g/kWh (153 L/h); P4 662 kW: 215 g/kWh (169 L/h); P5 735 kW: 217 g/kWh (190 L/h) |
| Main options | Wet exhaust, electric drain system, front PTO with elastic coupling, standard PTO for hydraulic pump, additional pulley, circuit breaker, cabin heating connections |
| Applications (as listed by the manufacturer) | Military and coast guard, passenger vessels, yachts and pleasure craft |
Output by duty rating About duty ratings →
| Rating | Output kW | Output hp | Speed rpm | Emissions |
|---|---|---|---|---|
| P3 (commercial rating) | 581 | 790 | 2300 | EPA 3 (COM) |
| P3 | 599 | 815 | 2300 | IMO II, EPA 3 (REC), RCD2 |
| P4 | 662 | 900 | 2300 | IMO II, EPA 3 (REC), RCD2 |
| P5 | 735 | 1000 | 2300 | IMO II, EPA 3 (REC), RCD2 |
Manufacturer datasheet (IMO II / EPA 3) PDF →Manufacturer datasheet (Yachting) PDF →
Notes
- Output figures follow the manufacturer's ratings table; kW and hp refer to the same rating.
- Emission certification depends on rating and configuration; the latest manufacturer spec sheet and certificate govern.
- The manufacturer's warranty does not apply when operating conditions differ from the selected duty rating (P1–P5).
- Fuel consumption figures are the manufacturer's rated-power values under standard reference conditions; actual consumption depends on operating conditions.
- Dimensions and weight follow the manufacturer's data and may vary with configuration.
After-sales in Taiwan | Hallmark Marine Co., Ltd. (Baudouin authorized distributor in Taiwan)
Equipment selection, installation guidance and sea trials, scheduled maintenance and repair, and genuine parts. For parts enquiries, please provide the brand, model, serial number and vessel name. Warranty follows the manufacturer's terms and is decided case by case.
Equipment selection, installation guidance and sea trials, scheduled maintenance and repair, and genuine parts. For parts enquiries, please provide the brand, model, serial number and vessel name. Warranty follows the manufacturer's terms and is decided case by case.