
Marine propulsion engines | Authorized distributor in Taiwan
Baudouin 6M21.3 SCR
The 6M21.3 with SCR aftertreatment, IMO III compliant, 368–441 kW.
368–441 kWRated output
1800–2100 rpmRated speed
12.5 LDisplacement
1200 kgDry weight
Features
Features
SCR aftertreatment
Fitted with a selective catalytic reduction (SCR) system, the engine meets IMO III at all three ratings and uses AUS 40 urea solution.
Flexible SCR installation
The SCR unit can be installed over the engine or over the gearbox to suit the engine room layout.
Specifications
Full specifications
| Configuration | Inline 6-cylinder (L6) |
|---|---|
| Bore × stroke | 127 × 165 mm |
| Displacement | 12.5 L |
| Output range | 368–441 kW (500–600 hp) |
| Rated speed | 1800–2100 rpm |
| Duty ratings | P1–P3 |
| Emissions (by rating) | IMO III |
| 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, 120A battery charger |
| Engine rotation | Counterclockwise |
| Flywheel / flywheel housing | 14" / SAE 1 |
| Dry weight | 1200 kg (5% tolerance) (engine alone) |
| Dimensions (L × W × H) | 1552 (overall) / 1422 (from flywheel) × 1000 × 1100 mm (engine alone) |
| SCR dimensions | SCR unit 1040 × 367 × 367 mm (43 kg); over-engine installation 1555 × 1000 × 1480 mm; over-gearbox installation 1810 × 1000 × 1100 mm |
| Fuel consumption at rated power | P1 368 kW: 194 g/kWh (85 L/h); P2 405 kW: 196 g/kWh (94.5 L/h); P3 441 kW: 205 g/kWh (107.6 L/h) |
| Main options | Keel cooling, fresh water pre-heater, front PTO with elastic coupling, cabin heating connections, elastic mounts, additional displays, air starter |
| Applications (as listed by the manufacturer) | Inland waterway vessels, tugboats, workboats |
Output by duty rating About duty ratings →
| Rating | Output kW | Output hp | Speed rpm | Emissions |
|---|---|---|---|---|
| P1 | 368 | 500 | 1800 | IMO III |
| P2 | 405 | 550 | 1800 | IMO III |
| P3 | 441 | 600 | 2100 | IMO III |
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.