Volvo Penta D6-400 Aquamatic Sterndrive Marine Diesel Engine 400HP For Sale | Coastal Wave Marine

High-Performance 6-Cylinder Diesel Power with Aquamatic Sterndrive

The Volvo Penta D6-400 Aquamatic Sterndrive marine diesel engine 400HP for sale at Coastal Wave Marine is a fully integrated propulsion package designed for premium performance boats, sport cruisers, and light commercial vessels. Combining a high-output 6-cylinder diesel engine with Volvo Penta’s legendary Aquamatic sterndrive, this system delivers exceptional torque, fuel efficiency, and precise handling.

For buyers researching volvo penta d6 for sale, this 400HP configuration sits at the heart of the D6 range—offering a balance of power, reliability, and long-term ownership value.

Advanced Volvo Penta D6 Engine Architecture

The D6-400 is powered by a 5.5-liter, in-line 6-cylinder diesel engine featuring:

• High-pressure common-rail fuel injection

• Double overhead camshafts

• Turbocharging with charge-air cooling

• Lightweight aluminum cylinder block and head

Customers comparing volvo penta 6-cylinder marine engine specs will appreciate the D6 platform’s ability to deliver strong output while maintaining compact dimensions and excellent service access.

Proven Marine Torque & Acceleration

Volvo Penta’s unique marine torque profile allows the D6-400 to:

• Plane quickly under heavy load

• Maintain stable cruising speeds in rough conditions

• Deliver confident throttle response at low and mid RPM

This makes it a popular choice for buyers evaluating alternatives such as a volvo d4 marine engine for sale, especially when higher horsepower and smoother 6-cylinder operation are required.

Fuel Efficiency & Operational Economy

The D6-400’s advanced combustion management and Aquamatic sterndrive integration reduce drag and optimize power transfer. This results in:

• Lower fuel consumption per nautical mile

• Reduced emissions

• Extended cruising range

When comparing volvo penta d6 price options or stepping up from models like volvo penta d6 340 price or volvo penta d6-380 price, the D6-400 offers a strong efficiency-to-power ratio.

Aquamatic Sterndrive Advantage

The Aquamatic sterndrive system provides:

• Excellent acceleration

• Precise handling and trim control

• Reduced drivetrain losses compared to traditional shaft setups

This configuration is ideal for performance-oriented boats where speed, maneuverability, and shallow-water capability are priorities.

Electronic Control & Integration

The D6-400 supports:

• Electronic Vessel Control (EVC) for full helm integration

• Optional joystick maneuvering

• Compatibility with Glass Cockpit displays

For commercial or advanced installations, Volvo Penta’s Marine Commercial Control System (MCCS) is also available.

Freshwater Cooling for Extended Engine Life

Standard freshwater cooling protects internal components from saltwater corrosion and thermal stress, helping ensure long service intervals and consistent performance over time.

Technical Specifications – Volvo Penta D6-400 Aquamatic

Model Range & Market Position

The D6-400 sits within a broader family that includes models such as:

• volvo penta d6-340 price

• volvo penta d6-380 price

• volvo penta d6 480

This makes it an ideal mid-to-upper-range option for buyers evaluating volvo penta 6 cylinder marine engine price across multiple power outputs.

Warranty & Buyer Assurance

Factory Warranty

• Volvo Penta limited factory warranty

• Coverage for defects in materials and workmanship

• Warranty terms vary by model year and usage classification

Extended Coverage Options

• Optional extended protection plans

• Genuine Volvo Penta parts support

• Access to Volvo Penta’s global service network

Why Buy from Coastal Wave Marine

• Specialized expertise in Volvo Penta propulsion systems

• Transparent pricing and documentation

• Pre-sale guidance on installation and compatibility

Frequently Asked Questions (FAQs)

Is the D6-400 suitable for repowering older boats?

Yes. The compact design and Aquamatic sterndrive make it a popular repower choice for many performance hulls.

How does the D6-400 compare to other D6 models?

It offers a balance between mid-range options and higher-output models like the volvo penta d6 480, making it ideal for boats requiring strong performance without maximum fuel demand.

Is global service support available?

Yes. Volvo Penta maintains one of the most extensive marine service networks worldwide.

Can this engine be integrated with joystick docking?

Yes. When paired with EVC, joystick maneuvering and advanced helm features are available.