Description

Volvo Penta Aquamatic D6-400A DP-I Marine Diesel Sterndrive Engine 400HP For Sale

The Volvo Penta Aquamatic D6-400A DP-I is a high-performance marine diesel sterndrive propulsion package engineered for luxury cruisers, offshore sportfishing vessels, express yachts, performance boats, and demanding marine repower projects. Combining Volvo Penta’s advanced D6 marine diesel engine with the proven DP-I dual-propeller Aquamatic sterndrive, this package delivers exceptional acceleration, impressive fuel efficiency, superior maneuverability, and long-term reliability.

Producing 400 horsepower (294 kW) from Volvo Penta’s renowned 5.5-liter inline six-cylinder diesel platform, the D6-400A DP-I incorporates electronically controlled common-rail fuel injection, double overhead camshafts, turbocharging, supercharger technology, and Electronic Vessel Control (EVC). The result is a propulsion package that offers powerful low-end torque, rapid planing performance, smooth cruising characteristics, and reduced operating costs.

For vessel owners searching for a Volvo Penta D6-400A DP-I for sale, this package remains one of the most respected and widely used diesel sterndrive systems in the marine industry.

As a premium Volvo Penta marine engine, the D6-400A DP-I delivers the performance, efficiency, and durability expected from Volvo Penta’s world-class propulsion range.

Part of the Volvo Penta D6 Marine Engine Series

The Volvo Penta D6-400A DP-I belongs to Volvo Penta’s highly successful D6 Series of marine diesel engines. Recognized globally for outstanding power density, fuel economy, and reliability, the D6 Series has become a benchmark for modern marine propulsion.

The Volvo Penta D6 Aquamatic range includes:

  • Volvo Penta D6-300A DP-I
  • Volvo Penta D6-340A DP-I
  • Volvo Penta D6-370A DP-I
  • Volvo Penta D6-380A DP-I
  • Volvo Penta D6-400A DP-I
  • Volvo Penta D6-440A DP-I

Positioned near the top of the D6 Aquamatic lineup, the D6-400A DP-I offers outstanding performance for vessel owners seeking powerful diesel sterndrive propulsion.

Advanced 5.5-Liter Inline Six-Cylinder Diesel Platform

At the heart of the D6-400A DP-I is Volvo Penta’s advanced 5.5-liter inline six-cylinder diesel engine.

Engine technologies include:

  • Electronically controlled common-rail fuel injection
  • Double overhead camshafts (DOHC)
  • Turbocharger and supercharger system
  • Charge air cooler
  • Advanced electronic engine management
  • Precision combustion technology

These technologies provide:

  • Exceptional marine torque
  • Fast throttle response
  • Excellent fuel efficiency
  • Reduced emissions
  • Smooth operation
  • Long service life

As a modern Volvo Penta diesel engine, the D6-400A delivers dependable power and efficiency across the entire operating range.

High Performance with Smooth Operation

The Volvo Penta D6-400A DP-I has been engineered to deliver immediate acceleration and strong cruising performance while maintaining exceptional onboard comfort.

Performance benefits include:

  • Rapid acceleration onto plane
  • Strong mid-range torque
  • Excellent top-end performance
  • Smooth power delivery
  • Reduced vibration levels
  • Lower engine noise

The combination of advanced fuel management, supercharger technology, and optimized engine mounting contributes to refined operation in all conditions.

Volvo Penta Aquamatic DP-I Sterndrive Advantage

The DP-I Aquamatic sterndrive is one of Volvo Penta’s most successful propulsion systems.

Featuring dual counter-rotating propellers, the DP-I drive provides:

  • Improved acceleration
  • Enhanced grip and traction
  • Better fuel economy
  • Superior maneuverability
  • Reduced steering effort
  • Increased cruising efficiency
  • Excellent handling characteristics

The combination of the D6-400A engine and DP-I sterndrive creates a highly efficient propulsion package that maximizes vessel performance.

Unique Volvo Penta Marine Torque

One of the defining characteristics of the Volvo Penta D6 Series is its exceptional marine torque profile.

The D6-400A DP-I delivers:

  • Strong low-RPM pulling power
  • Increased load-carrying capability
  • Rapid acceleration
  • Excellent mid-range performance
  • Consistent cruising speeds
  • Reliable operation under load

Whether carrying passengers, fishing equipment, or operating offshore, the D6-400A maintains responsive and dependable performance.

Compact and Robust Marine Design

Despite producing 400 horsepower, the D6-400A remains compact and installation-friendly.

Engine construction features include:

  • Rigid cast-iron cylinder block
  • Cast-iron cylinder head
  • Heavy-duty engine cover
  • Compact installation dimensions
  • Easily accessible service points

This robust construction contributes to exceptional reliability and long-term durability.

Low Fuel Consumption and Reduced Operating Costs

Fuel efficiency remains one of the major strengths of the Volvo Penta D6-400A DP-I.

The advanced common-rail fuel system continuously monitors engine conditions and optimizes fuel delivery to maximize efficiency.

Benefits include:

  • Reduced fuel consumption
  • Lower operating costs
  • Increased cruising range
  • Reduced emissions
  • Enhanced ownership value

For operators seeking powerful performance without excessive fuel costs, the D6-400A DP-I provides an excellent balance of power and economy.

Electronic Vessel Control (EVC)

The Volvo Penta D6-400A DP-I comes equipped with Volvo Penta’s advanced Electronic Vessel Control system.

EVC features include:

  • Engine monitoring
  • Integrated diagnostics
  • Electronic throttle and shift
  • Instrumentation integration
  • Maintenance scheduling
  • Vessel systems management

The EVC platform simplifies operation while improving safety, reliability, and maintenance planning.

Long Service Life and Easy Maintenance

The D6-400A DP-I has been designed to maximize uptime and simplify maintenance.

Features include:

  • Easily accessible service points
  • Advanced filtration systems
  • Durable internal components
  • PTO capability
  • Volvo Penta global support network

Combined with Volvo Penta-approved lubricants, oils, and coolants, the engine is designed for years of dependable marine operation.

Common Applications

The Volvo Penta D6-400A DP-I is commonly installed in:

  • Luxury cruisers
  • Offshore sportfishing boats
  • Express yachts
  • Performance cruisers
  • Coastal cruising vessels
  • Patrol boats
  • Commercial utility vessels
  • Marine repower projects

Its combination of power, efficiency, and maneuverability makes it suitable for a broad range of marine applications.

Why Choose the Volvo Penta D6-400A DP-I for Repower Projects?

The D6-400A DP-I is a popular repower solution for vessel owners upgrading older sterndrive propulsion systems.

Repower benefits include:

  • Improved fuel economy
  • Enhanced acceleration
  • Better reliability
  • Modern electronic controls
  • Reduced maintenance requirements
  • Increased vessel value

Titan Marine Diesel provides expert support for repower projects, including technical consultation and compatibility reviews.

What’s Included with the Package?

Depending on configuration, packages may include:

  • Volvo Penta D6-400A marine diesel engine
  • Volvo Penta DP-I sterndrive
  • Electronic Vessel Control (EVC)
  • Engine wiring harness
  • Instrumentation package
  • Engine mounts
  • Operator documentation
  • Warranty documentation

Package contents may vary depending on vessel requirements and selected options.

Technical Features

  • Electronically controlled common-rail fuel injection
  • Double overhead camshafts
  • Turbocharger and supercharger technology
  • Charge air cooler
  • Volvo Penta DP-I dual-propeller sterndrive
  • Electronic Vessel Control (EVC)
  • Heavy-duty engine cover
  • PTO capability
  • Easily accessible service points
  • Robust marine-grade construction

Technical Specifications

SpecificationValue
Engine ModelVolvo Penta D6-400A DP-I
Engine TypeMarine Diesel Sterndrive Engine
Horsepower400 HP
Power Output294 kW
Rated RPM3500 RPM
Engine SeriesVolvo Penta D6 Series
Cylinders6
Displacement5.5 Liters
Fuel SystemCommon-Rail Fuel Injection
AspirationTurbocharger and Supercharger with Charge Air Cooler
Valve TrainDouble Overhead Camshafts
Control SystemElectronic Vessel Control (EVC)
Cooling SystemHeat Exchanger Cooling
Drive TypeAquamatic DP-I Sterndrive
Fuel TypeDiesel
Engine ConfigurationInline 6-Cylinder
Emissions ComplianceIMO NOx Tier II, EPA Tier 3, EU RCD Stage II

Worldwide Shipping Available

Titan Marine Diesel supplies Volvo Penta Aquamatic propulsion packages worldwide for new vessel construction, commercial applications, and repower projects.

Available services include:

  • Export crating
  • International freight
  • Port-to-port delivery
  • Door-to-door shipping
  • Export documentation support
  • Global logistics coordination

Warranty Coverage

Every new Volvo Penta D6-400A DP-I supplied by Titan Marine Diesel includes manufacturer-backed warranty coverage, subject to Volvo Penta warranty registration requirements and applicable terms.

Extended warranty options may be available for qualifying recreational and commercial applications.

Frequently Asked Questions

What type of vessel is the D6-400A DP-I best suited for?

The D6-400A DP-I is commonly installed in luxury cruisers, offshore fishing boats, express yachts, performance vessels, and marine repower projects.

What are the benefits of the DP-I sterndrive?

The DP-I sterndrive improves acceleration, fuel economy, maneuverability, and handling through its dual counter-rotating propeller design.

Does the D6-400A DP-I support Electronic Vessel Control?

Yes. The package includes Volvo Penta’s advanced Electronic Vessel Control (EVC) system.

Is the D6-400A DP-I suitable for repower projects?

Yes. It is widely used to replace older sterndrive systems and improve vessel performance, reliability, and efficiency.

How many cylinders does the D6-400A engine have?

The D6-400A features a 5.5-liter inline six-cylinder diesel engine configuration.

Can the package be shipped internationally?

Yes. Titan Marine Diesel offers worldwide shipping and export logistics support.

Does the package include warranty coverage?

Yes. Manufacturer-backed warranty coverage is included subject to Volvo Penta warranty registration requirements.

Request a Quote

Interested in the Volvo Penta Aquamatic D6-400A DP-I Marine Diesel Sterndrive Engine?

Contact Titan Marine Diesel today for availability, lead times, worldwide shipping options, technical guidance, and a customized quotation tailored to your vessel and propulsion requirements.