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FNM 30HPE 270 – Inboard Marine Engine 270 HP
FNM 30HPE 270 – 250 HP utilizes a high-performance 3.0L V6 4-cycle marine diesel architecture featuring Common Rail Multi-Jet II technology for elite power density. This inboard unit is equipped with a Variable Geometry Turbocharger (VGT) and a 24-valve DOHC head, delivering 270 HP of punchy, low-vibration torque that is ideal for high-speed sport cruisers and luxury yacht tenders requiring a compact, lightweight engine footprint.
- Precision Operational Data: Rated at 270 HP at 4000 RPM.
- Internal Engine Configuration Type: V6 24-Valve DOHC 3.0L Displacement.
- Advanced Fuel Delivery System: Common Rail Direct Injection with VGT.
- Recommended Vessel Application Use: Engineered for high-speed tenders and performance motorboats.
- Factory Protection Service Plan: FNM Marine limited manufacturer warranty.
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Description
FNM 30HPE 270 270 HP – High-Performance Common Rail Diesel
Solving the need for high-speed propulsion in lightweight hulls, the FNM 30HPE 270 delivers a potent 270 HP at 4000 RPM. This 3.0-liter V6 engine utilizes advanced common-rail technology to provide a remarkable power-to-weight ratio, making it a favorite for American boaters seeking a modern, compact replacement for bulky V8 gasoline engines. For the USA captain, the 30HPE offers the rapid acceleration of a performance engine with the fuel economy and safety of a marine diesel, perfect for fast commuters and luxury tenders navigating USA coastal waters.
Fully compliant with EPA Tier 3 standards, the 30HPE features an electronic management system that ensures a smoke-free transom and ultra-smooth idling. Its robust freshwater cooling system is designed to handle high thermal loads, ensuring consistent performance during high-speed transits. For the American operator, the engine’s digital interface provides real-time diagnostics and seamless integration with modern glass bridge displays, providing a refined and reliable maritime experience across the Atlantic and Pacific coasts.
Core Technical Specifications
- Maximum Output: 270 HP at 4000 RPM.
- Displacement: 183 cubic inches (3.0 Liters).
- Configuration: 6-cylinder V-engine, 4-stroke diesel.
- Aspiration: Turbocharged and intercooled.
- Dry Weight: Approximately 738 lbs (engine only).
- Fuel System: Common-rail direct injection.
- Electrical: 12V / 150A alternator standard.
- Compliance: EPA Tier 3 and RCD2 certified.
FNM 30HPE 270 Full Specs
| Engine type | 4-Cylinder In-line (Common Rail) |
| Displacement | 3.0L (2998 cc) |
| Bore x stroke | 95.8 x 104 mm |
| Horsepower | 270 hp (199 kW) |
| Rated rpm | 4000 rpm |
| Aspiration | Electronic Variable Geometry Turbo (VGT) |
| Compression ratio | 17.5:1 |
| Fuel system | Common Rail 2000 bar (Bosch) |
| Recommended fuel | Diesel (EN 590) |
| Ignition/Firing Order | Compression / 1-3-4-2 |
| Alternator | 12V, 140 Amp |
| Gear ratio/Drive | Shaft drive / Stern drive compatible |
| Transmission | Mechanical / Hydraulic Gearbox |
| Dry weight | 335 kg (738 lbs) |
| Flywheel housing | SAE 4 |
| Steering | Electronic / Hydraulic compatible |
| Coolant capacity | 12L |
| Exhaust system | Water-cooled manifold and turbine |
| Cooling system | Heat Exchanger / Freshwater cooled |
| Lubrication | Forced (Gear pump) |
| Oil capacity | 8L |
| Emissions rating | EU RCD II, EPA Tier 3 |
FNM 30HPE 270 Service & Performance Guide
What is the fuel consumption of the FNM 30HPE 270?
The 30HPE 270 consumes approximately 13.9 gallons per hour at its maximum 4,000 RPM. This 3.0-liter V6 common-rail engine is based on a high-performance automotive block, offering an exceptional power-to-weight ratio. For optimal efficiency, cruise at 2,800 RPM to stay on plane while significantly reducing the load on the variable geometry turbocharger.
What oil grade is required for the FNM 30HPE 270?
This engine requires 7.4 quarts of fully synthetic SAE 5W-30 or 5W-40 oil meeting ACEA C3 specifications. High-performance common-rail V6 engines demand premium lubrication to protect the dual overhead cams and hydraulic lifters. Replace the oil and the high-flow filter every 200 hours to ensure the longevity of the fuel system.
How does the FNM 30HPE 270 cooling system operate?
It features a closed-loop freshwater system with a heat exchanger and an integrated seawater-cooled intercooler. This design ensures that intake air remains dense for maximum 270 HP output even in warm climates. Inspect the seawater pump impeller every 100 hours and check the expansion tank level weekly to maintain thermal stability.
What are the electrical system specifications for this engine?
Standard 30HPE units are equipped with a 12V-150A alternator, providing massive charging capacity for modern marine electronics and electric trim systems. The engine uses a sophisticated ECU for electronic gear shifting and throttle control. Ensure the battery bank has a high CCA rating to support the electronic glow plug system during cold starts.
What are the physical dimensions and weight of the FNM 30HPE 270?
The dry weight is approximately 738 lbs, measuring 32.2 inches in length and 30.7 inches in width. Its compact V6 footprint makes it an ideal choice for repowering engine rooms with limited longitudinal space. Maintain a 4-inch clearance around the electronic control modules to allow for proper heat dissipation.
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