Mercury 230 HP 3.0L Inboard Diesel Engine

Overview

The Mercury 230 HP 3.0L Inboard Diesel Engine delivers high-output performance, advanced fuel efficiency, and long-term durability for demanding marine applications. It features common-rail injection, variable geometry turbocharging, and SmartCraft digital integration.

As a result, boat owners benefit from strong acceleration and consistent cruising power. Moreover, the compact design supports easier installation and servicing.

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Why Choose Mercury 230 HP 3.0L Diesel?

230HP High-Power Performance

The Mercury 230 HP 3.0L Diesel produces impressive torque and rapid throttle response. Therefore, vessels achieve faster planing and smoother handling in challenging conditions.

3.0L Diesel Efficiency

Because of its advanced direct injection system, this engine delivers excellent fuel economy. Consequently, operators reduce operating costs while extending cruising range.

Sterndrive Reliability

Thanks to Mercury’s precision engineering, this diesel engine offers dependable long-term performance. In addition, reinforced components improve durability in heavy-duty use.

SmartCraft Digital Controls

With built-in SmartCraft compatibility, operators can monitor vital engine data in real time. As a result, maintenance planning and onboard safety are improved.

Quiet and Smooth Operation

Insulated mounts and a silenced intake system minimize vibration and noise. Therefore, onboard comfort remains high, even at cruising speeds.

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Easy Maintenance and Service Access

All major service points are positioned at the front of the engine. Consequently, oil checks, coolant inspection, and filter replacements are quick and convenient.

Furthermore, Mercury’s color-coded maintenance system simplifies servicing and reduces downtime.

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Trust Signals and Brand Reliability

Mercury Marine is a globally trusted OEM manufacturer with decades of marine engineering experience. In addition, this engine meets international emissions and quality standards.

Moreover, OEM warranty coverage, verified inspections, and positive customer feedback confirm its long-term reliability and value.

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Key Benefits of the Mercury 230 HP 3.0L Diesel

• 230 HP high-output diesel performance
• 3.0L displacement with VGT turbocharger
• High-pressure common-rail fuel system
• SmartCraft digital compatibility
• Front-access service layout
• Low-noise and low-vibration operation
• Advanced corrosion protection
• Joystick piloting compatibility
• Fuel-efficient combustion technology
• Extended maintenance intervals

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Mercury 230 HP vs Other Inboard Diesel Engines

Mercury 230 HP vs Mercury 150 HP

While the Mercury 150 HP is suitable for smaller vessels, the 230 HP model delivers higher torque and faster acceleration. Therefore, it is better suited for heavier boats and commercial use.

Mercury 230 HP vs Volvo Penta D3

Compared to the Volvo Penta D3, the Mercury engine offers easier service access and SmartCraft integration. As a result, monitoring and maintenance remain more convenient.

Browse our Inboard Engines or explore Mercury Inboard Engines to find the ideal solution for your vessel.

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Technical Specifications – Mercury 230 HP 3.0L Diesel

Engine Specifications

Specification	Value
Engine Type	V6 Diesel
Displacement	3.0 L
Rated Power	230 HP
Peak Torque	503 Nm @ 2200 RPM
Compression Ratio	16.5:1
Turbocharger	Honeywell VGT
Fuel System	High-Pressure Common Rail
Cooling System	Closed Cooling
Maximum RPM	4200
ECU	Bosch EDC17

Electrical System

Specification	Value
Voltage	12 V
Alternator Output	110 A
Battery Terminals	Integrated Studs

Dimensions and Weight

Specification	Value
Length	36.6 in (931 mm)
Width	33.5 in (851 mm)
Height	30.0 in (784 mm)
Dry Weight	767 lbs (348 kg)

Capacities

Specification	Value
Oil Capacity	8.5 L
Coolant Capacity	12 L

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Frequently Asked Questions – Mercury 230 HP 3.0L Diesel

What boats are compatible with the Mercury 230 HP 3.0L?

This engine is suitable for cruisers, sport boats, and commercial vessels designed for inboard or sterndrive installations between 26 and 40 feet.

How long does the Mercury 230 HP diesel engine last?

With proper servicing, this engine can operate reliably for several thousand hours. However, lifespan depends on operating conditions and maintenance quality.

Does the Mercury 230 HP require maintenance?

Yes. Regular oil changes, cooling system checks, and fuel inspections are essential. Nevertheless, the front-access layout simplifies routine servicing.

Is joystick piloting supported?

Yes. The engine is compatible with Mercury joystick piloting systems for inboards and sterndrives.

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Order the Mercury 230 HP 3.0L Diesel Today

Upgrade your vessel with high-performance diesel power and advanced marine technology.

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