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Volvo Penta D4-230 – Inboard Diesel Engine 230 HP
Volvo Penta D4-230 – 230 HP utilizes a high-torque 4-cycle marine engine design featuring high-pressure common-rail injection and a twin-cam 16-valve cylinder head. This 3.7L unit is engineered to provide smooth, rapid acceleration for semi-planing hulls, utilizing a ladder-frame block design to minimize noise and vibration during high-speed coastal excursions.
- External Engine Dimensions: Inline 4-Cylinder 3.7L Turbo-Aftercooled.
- Standard Engine Block Architecture: 16-Valve DOHC with Freshwater Cooling.
- Intelligent Fuel Management System: Electronic Common Rail with EVC-E2.
- Vessel Hull Integration Guide: Best for coastal cruisers and mid-sized motorboats.
- Reliability And Service Plan: Volvo Penta international service network support.
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Description
Volvo Penta D4-230 230 HP – Durable Displacement Hull Propulsion
Overcoming the reliability issues of high-stress marine environments, the Volvo Penta D4-230 focuses on delivering steady, high-torque power for displacement and semi-planing hulls. Generating 230 HP at 3400 RPM, this 3.7-liter engine provides the necessary grunt for navigating tidal currents and heavy seas in the Pacific Northwest or the Great Lakes. For the USA boater, the D4-230 offers a proven, robust power plant that balances mechanical longevity with the modern refinement expected in the American trawler market.
Fully compliant with USA EPA Tier 3 standards, the D4-230 features an advanced Electronic Control Unit (ECU) that optimizes the combustion cycle for fuel efficiency and reduced noise. The integrated freshwater cooling system is engineered to protect internal components from the corrosive high-salinity conditions found in US coastal waters. With its seamless EVC integration, American owners benefit from digital shift-and-throttle precision and high-fidelity engine diagnostics, making long-distance cruising effortless and safe.
Core Technical Specifications
- Maximum Output: 230 HP at 3400 RPM.
- Displacement: 224 cubic inches (3.67 Liters).
- Configuration: In-line 4-cylinder diesel engine.
- Aspiration: Turbocharged and intercooled.
- Dry Weight: Approximately 1060 lbs (engine only).
- Fuel Injection: Common-rail technology.
- Electrical: 12V / 115A heavy-duty alternator.
- Compliance: EPA Tier 3 and IMO NOx compliant.
Volvo Penta D4-230 Full Specs
| Engine type | In-line 4, 4-stroke Diesel |
| Displacement | 3.7L (224 cid) |
| Bore x stroke | 103 x 110 mm |
| Horsepower | 230 hp (169 kW) |
| Rated rpm | 3400 rpm |
| Aspiration | Turbocharged with Aftercooler |
| Compression ratio | 17.5:1 |
| Fuel system | Common Rail Fuel Injection |
| Recommended fuel | Diesel (EN 590 / ASTM D975) |
| Ignition/Firing Order | Compression / 1-3-4-2 |
| Alternator | 12V/150A or 24V/80A |
| Gear ratio/Drive | HS63AE / HS85A |
| Transmission | Hydraulic Marine Gear |
| Dry weight | 552 kg (1217 lbs) |
| Flywheel housing | SAE 4 |
| Steering | Electronic Vessel Control (EVC) |
| Coolant capacity | 13L |
| Exhaust system | Water cooled manifold |
| Cooling system | Heat Exchanger Cooling |
| Lubrication | Pressure feed (Wet Sump) |
| Oil capacity | 9L |
| Emissions rating | EPA Tier 3, IMO II, RCD II |
Volvo Penta D4-230 Service & Performance Guide
What is the fuel consumption of the Volvo Penta D4-230?
The D4-230 consumes about 11.8 gallons per hour at its maximum 3,500 RPM. This lower-stress 3.7-liter configuration is ideal for heavy displacement cruisers requiring long-term reliability. For coastal cruising, 2,400 RPM is the recommended speed to optimize fuel burn while maintaining vessel momentum.
What oil grade is required for the Volvo Penta D4-230?
The D4-230 requires 13.2 quarts of SAE 15W-40 oil meeting Volvo VDS-4.5 specifications. Proper lubrication helps manage thermal loads and protects the high-pressure common-rail pump. Perform oil changes every 200 hours and always replace both the lube oil filter and the bypass filter.
How does the Volvo Penta D4-230 cooling system operate?
It employs a closed-circuit freshwater system with a high-capacity heat exchanger and integrated oil cooler. The system is designed to provide uniform cooling to all four cylinders, preventing localized hot spots. Regularly inspect the seawater pump and ensure the intake is free from obstructions.
What are the electrical system specifications for this engine?
This model comes standard with a 12V-115A alternator, providing plenty of power for modern marine electronics and refrigeration. The charging system is fully compatible with Volvo Penta EVC for real-time electrical monitoring. Verify all ground connections are secured to avoid ECU signal errors.
What are the physical dimensions and weight of the D4-230?
The dry weight is 1,235 lbs, measuring 36.5 inches long and 30.1 inches wide. Its low-profile design is ideal for installation under cabin soles or in low engine boxes. Ensure the engine room ventilation provides at least 400 CFM to keep intake temperatures within spec.
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