{"id":4507,"date":"2026-09-08T14:07:25","date_gmt":"2026-09-08T14:07:25","guid":{"rendered":"https:\/\/passionwebs.com\/elite-engines\/product\/volvo-penta-d6-400-aquamatic-sterndrive-marine-diesel-engine-400hp\/"},"modified":"2026-09-08T17:07:35","modified_gmt":"2026-09-08T17:07:35","slug":"volvo-penta-d6-400-aquamatic-sterndrive-marine-diesel-engine-400hp","status":"publish","type":"product","link":"https:\/\/passionwebs.com\/elite-engines\/product\/volvo-penta-d6-400-aquamatic-sterndrive-marine-diesel-engine-400hp\/","title":{"rendered":"Volvo Penta D6-400 Aquamatic Sterndrive marine diesel engine 400hp"},"content":{"rendered":"<h2>Description<\/h2>\n<h2>Volvo Penta Aquamatic D6-400A DP-I Marine Diesel Sterndrive Engine 400HP For Sale<\/h2>\n<p>The <strong>Volvo Penta Aquamatic D6-400A DP-I<\/strong> is a premium marine diesel sterndrive propulsion package engineered for luxury cruisers, express yachts, offshore sportfishing vessels, performance boats, and demanding marine repower projects. Delivering <strong>400 horsepower (294 kW)<\/strong> from Volvo Penta\u2019s advanced 5.5-liter inline six-cylinder diesel platform, this propulsion package combines exceptional acceleration, outstanding fuel efficiency, and reliable long-term performance.<\/p>\n<p>The D6-400A DP-I integrates Volvo Penta\u2019s advanced marine diesel technology with the proven DP-I dual-propeller Aquamatic sterndrive. Featuring electronically controlled common-rail fuel injection, double overhead camshafts, turbocharging, supercharger technology, and Electronic Vessel Control (EVC), the package delivers powerful marine torque, smooth operation, and superior handling characteristics.<\/p>\n<p>For vessel owners searching for a <strong>Volvo Penta D6-400A DP-I for sale<\/strong>, this model remains one of the most sought-after sterndrive propulsion solutions in the Volvo Penta lineup.<\/p>\n<p>As a premium <strong>Volvo Penta marine engine<\/strong>, the D6-400A DP-I provides exceptional cruising performance, excellent operating economy, and proven reliability for recreational and commercial marine applications.<\/p>\n<h2>Part of the Volvo Penta D6 Marine Engine Series<\/h2>\n<p>The Volvo Penta D6-400A DP-I belongs to Volvo Penta\u2019s world-renowned D6 Series of marine diesel engines. Known for exceptional power density, durability, and fuel economy, the D6 platform has become a benchmark in modern marine propulsion.<\/p>\n<p>The Volvo Penta D6 Aquamatic range includes:<\/p>\n<ul>\n<li>Volvo Penta D6-300A DP-I<\/li>\n<li>Volvo Penta D6-330A DP-I<\/li>\n<li>Volvo Penta D6-340A DP-I<\/li>\n<li>Volvo Penta D6-370A DP-I<\/li>\n<li>Volvo Penta D6-380A DP-I<\/li>\n<li>Volvo Penta D6-400A DP-I<\/li>\n<li>Volvo Penta D6-440A DP-I<\/li>\n<\/ul>\n<p>Positioned among the highest-output models in the D6 Aquamatic lineup, the D6-400A DP-I offers exceptional performance while maintaining excellent fuel efficiency.<\/p>\n<h2>Advanced 5.5-Liter Inline Six-Cylinder Diesel Platform<\/h2>\n<p>At the heart of the D6-400A DP-I is Volvo Penta\u2019s advanced 5.5-liter inline six-cylinder marine diesel engine.<\/p>\n<p>Engine technologies include:<\/p>\n<ul>\n<li>Electronically controlled common-rail fuel injection<\/li>\n<li>Double overhead camshafts (DOHC)<\/li>\n<li>Turbocharger and supercharger system<\/li>\n<li>Charge air cooler<\/li>\n<li>Advanced engine management technology<\/li>\n<li>Precision fuel delivery system<\/li>\n<\/ul>\n<p>These technologies provide:<\/p>\n<ul>\n<li>Outstanding marine torque<\/li>\n<li>Rapid throttle response<\/li>\n<li>Excellent fuel economy<\/li>\n<li>Reduced emissions<\/li>\n<li>Smooth operation<\/li>\n<li>Long service life<\/li>\n<\/ul>\n<p>The advanced fuel management system continuously optimizes combustion efficiency to maximize performance while minimizing fuel consumption.<\/p>\n<h2>High Performance with Smooth Operation<\/h2>\n<p>The Volvo Penta D6-400A DP-I has been engineered to provide powerful acceleration and high cruising performance while maintaining exceptional onboard comfort.<\/p>\n<p>Performance advantages include:<\/p>\n<ul>\n<li>Rapid acceleration onto plane<\/li>\n<li>Strong low-end and mid-range power<\/li>\n<li>Excellent cruising speeds<\/li>\n<li>Smooth power delivery<\/li>\n<li>Reduced vibration levels<\/li>\n<li>Lower engine noise<\/li>\n<\/ul>\n<p>The advanced common-rail fuel system and optimized engine mounting contribute to refined operation throughout the RPM range.<\/p>\n<h2>Volvo Penta Aquamatic DP-I Sterndrive Advantage<\/h2>\n<p>The DP-I Aquamatic sterndrive is one of Volvo Penta\u2019s most successful propulsion systems.<\/p>\n<p>Its dual counter-rotating propeller design provides:<\/p>\n<ul>\n<li>Improved acceleration<\/li>\n<li>Superior water grip<\/li>\n<li>Better fuel economy<\/li>\n<li>Enhanced maneuverability<\/li>\n<li>Reduced steering effort<\/li>\n<li>Increased cruising efficiency<\/li>\n<li>Precise vessel control<\/li>\n<\/ul>\n<p>The combination of the D6-400A engine and DP-I sterndrive creates a propulsion package optimized for performance, efficiency, and handling.<\/p>\n<h2>Unique Volvo Penta Marine Torque<\/h2>\n<p>One of the defining characteristics of the Volvo Penta D6 Series is its exceptional marine torque profile.<\/p>\n<p>The D6-400A DP-I delivers:<\/p>\n<ul>\n<li>Strong low-RPM pulling power<\/li>\n<li>Increased load-carrying capability<\/li>\n<li>Rapid acceleration<\/li>\n<li>Excellent mid-range performance<\/li>\n<li>Consistent cruising speeds<\/li>\n<li>Reliable operation under demanding conditions<\/li>\n<\/ul>\n<p>Whether operating offshore or carrying passengers and equipment, the D6-400A provides dependable and responsive power.<\/p>\n<h2>Compact and Robust Marine Design<\/h2>\n<p>Despite producing 400 horsepower, the D6-400A remains compact and installation-friendly.<\/p>\n<p>Engine construction features include:<\/p>\n<ul>\n<li>Rigid cast-iron cylinder block<\/li>\n<li>Cast-iron cylinder head<\/li>\n<li>Heavy-duty engine cover<\/li>\n<li>Compact installation dimensions<\/li>\n<li>Easily accessible service points<\/li>\n<\/ul>\n<p>This robust design contributes to exceptional durability, reliability, and ease of maintenance.<\/p>\n<h2>Low Fuel Consumption and Reduced Operating Costs<\/h2>\n<p>Fuel efficiency remains one of the key advantages of the Volvo Penta D6-400A DP-I.<\/p>\n<p>The advanced common-rail fuel injection system continuously adjusts fuel delivery to maximize efficiency while maintaining performance.<\/p>\n<p>Benefits include:<\/p>\n<ul>\n<li>Reduced fuel consumption<\/li>\n<li>Lower operating costs<\/li>\n<li>Extended cruising range<\/li>\n<li>Reduced emissions<\/li>\n<li>Enhanced ownership value<\/li>\n<\/ul>\n<p>For operators seeking premium performance without excessive fuel costs, the D6-400A DP-I offers an excellent balance of power and economy.<\/p>\n<h2>Electronic Vessel Control (EVC)<\/h2>\n<p>The Volvo Penta D6-400A DP-I comes equipped with Volvo Penta\u2019s advanced Electronic Vessel Control platform.<\/p>\n<p>EVC features include:<\/p>\n<ul>\n<li>Engine monitoring<\/li>\n<li>Integrated diagnostics<\/li>\n<li>Electronic throttle and shift control<\/li>\n<li>Instrumentation integration<\/li>\n<li>Maintenance scheduling<\/li>\n<li>Vessel systems management<\/li>\n<\/ul>\n<p>The EVC platform improves operational control while simplifying maintenance and troubleshooting.<\/p>\n<h2>Long Service Life and Easy Maintenance<\/h2>\n<p>The D6-400A DP-I has been engineered to maximize uptime and simplify routine maintenance.<\/p>\n<p>Features include:<\/p>\n<ul>\n<li>Easily accessible service points<\/li>\n<li>Advanced filtration systems<\/li>\n<li>Durable internal components<\/li>\n<li>PTO capability<\/li>\n<li>Volvo Penta global support network<\/li>\n<\/ul>\n<p>Combined with Volvo Penta-approved lubricants, oils, and coolants, the engine is designed for years of dependable marine operation.<\/p>\n<h2>Common Applications<\/h2>\n<p>The Volvo Penta D6-400A DP-I is commonly installed in:<\/p>\n<ul>\n<li>Luxury cruisers<\/li>\n<li>Express yachts<\/li>\n<li>Offshore sportfishing vessels<\/li>\n<li>Performance boats<\/li>\n<li>Coastal cruising vessels<\/li>\n<li>Patrol boats<\/li>\n<li>Commercial utility craft<\/li>\n<li>Marine repower projects<\/li>\n<\/ul>\n<p>Its combination of horsepower, fuel efficiency, and maneuverability makes it suitable for demanding recreational and commercial applications.<\/p>\n<h2>Why Choose the Volvo Penta D6-400A DP-I for Repower Projects?<\/h2>\n<p>The D6-400A DP-I is a popular repower solution for vessel owners upgrading older sterndrive propulsion systems.<\/p>\n<p>Repower benefits include:<\/p>\n<ul>\n<li>Improved fuel economy<\/li>\n<li>Enhanced acceleration<\/li>\n<li>Modern electronic controls<\/li>\n<li>Reduced maintenance costs<\/li>\n<li>Better reliability<\/li>\n<li>Increased vessel value<\/li>\n<\/ul>\n<p>Titan Marine Diesel provides expert repower support, including compatibility assessments, technical consultation, and installation guidance.<\/p>\n<h2>What\u2019s Included with the Package?<\/h2>\n<p>Depending on configuration, packages may include:<\/p>\n<ul>\n<li>Volvo Penta D6-400A marine diesel engine<\/li>\n<li>Volvo Penta DP-I sterndrive<\/li>\n<li>Electronic Vessel Control (EVC)<\/li>\n<li>Engine wiring harness<\/li>\n<li>Instrumentation package<\/li>\n<li>Engine mounts<\/li>\n<li>Operator documentation<\/li>\n<li>Warranty documentation<\/li>\n<\/ul>\n<p>Package contents may vary depending on vessel requirements and selected options.<\/p>\n<h2>Technical Features<\/h2>\n<ul>\n<li>Electronically controlled common-rail fuel injection<\/li>\n<li>Double overhead camshafts<\/li>\n<li>Turbocharger and supercharger technology<\/li>\n<li>Charge air cooler<\/li>\n<li>Volvo Penta DP-I dual-propeller sterndrive<\/li>\n<li>Electronic Vessel Control (EVC)<\/li>\n<li>Heavy-duty engine cover<\/li>\n<li>PTO capability<\/li>\n<li>Easily accessible service points<\/li>\n<li>Robust marine-grade construction<\/li>\n<\/ul>\n<h2>Technical Specifications<\/h2>\n<table>\n<thead>\n<tr>\n<th>Specification<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Engine Model<\/td>\n<td>Volvo Penta D6-400A DP-I<\/td>\n<\/tr>\n<tr>\n<td>Engine Type<\/td>\n<td>Marine Diesel Sterndrive Engine<\/td>\n<\/tr>\n<tr>\n<td>Horsepower<\/td>\n<td>400 HP<\/td>\n<\/tr>\n<tr>\n<td>Power Output<\/td>\n<td>294 kW<\/td>\n<\/tr>\n<tr>\n<td>Rated RPM<\/td>\n<td>3500 RPM<\/td>\n<\/tr>\n<tr>\n<td>Engine Series<\/td>\n<td>Volvo Penta D6 Series<\/td>\n<\/tr>\n<tr>\n<td>Cylinders<\/td>\n<td>6<\/td>\n<\/tr>\n<tr>\n<td>Displacement<\/td>\n<td>5.5 Liters<\/td>\n<\/tr>\n<tr>\n<td>Fuel System<\/td>\n<td>Common-Rail Fuel Injection<\/td>\n<\/tr>\n<tr>\n<td>Aspiration<\/td>\n<td>Turbocharger and Supercharger with Charge Air Cooler<\/td>\n<\/tr>\n<tr>\n<td>Valve Train<\/td>\n<td>Double Overhead Camshafts<\/td>\n<\/tr>\n<tr>\n<td>Control System<\/td>\n<td>Electronic Vessel Control (EVC)<\/td>\n<\/tr>\n<tr>\n<td>Cooling System<\/td>\n<td>Heat Exchanger Cooling<\/td>\n<\/tr>\n<tr>\n<td>Drive Type<\/td>\n<td>Aquamatic DP-I Sterndrive<\/td>\n<\/tr>\n<tr>\n<td>Fuel Type<\/td>\n<td>Diesel<\/td>\n<\/tr>\n<tr>\n<td>Engine Configuration<\/td>\n<td>Inline 6-Cylinder<\/td>\n<\/tr>\n<tr>\n<td>Emissions Compliance<\/td>\n<td>IMO NOx Tier II, EPA Tier 3, EU RCD Stage II<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Worldwide Shipping Available<\/h2>\n<p>Titan Marine Diesel supplies Volvo Penta Aquamatic propulsion packages worldwide for new vessel construction, commercial applications, and marine repower projects.<\/p>\n<p>Available services include:<\/p>\n<ul>\n<li>Export crating<\/li>\n<li>International freight<\/li>\n<li>Port-to-port delivery<\/li>\n<li>Door-to-door shipping<\/li>\n<li>Export documentation support<\/li>\n<li>Global logistics coordination<\/li>\n<\/ul>\n<h2>Warranty Coverage<\/h2>\n<p>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.<\/p>\n<p>Extended warranty options may be available for qualifying recreational and commercial applications.<\/p>\n<h2>Frequently Asked Questions<\/h2>\n<h3>What type of vessel is the D6-400A DP-I best suited for?<\/h3>\n<p>The D6-400A DP-I is commonly installed in luxury cruisers, offshore fishing boats, express yachts, performance vessels, and marine repower projects.<\/p>\n<h3>What are the benefits of the DP-I sterndrive?<\/h3>\n<p>The DP-I sterndrive improves acceleration, fuel efficiency, handling, and maneuverability through its dual counter-rotating propeller design.<\/p>\n<h3>Does the D6-400A DP-I support Electronic Vessel Control?<\/h3>\n<p>Yes. The package includes Volvo Penta\u2019s advanced Electronic Vessel Control (EVC) platform.<\/p>\n<h3>Is the D6-400A DP-I suitable for repower projects?<\/h3>\n<p>Yes. It is widely used to replace older sterndrive propulsion systems and improve vessel performance, reliability, and efficiency.<\/p>\n<h3>How many cylinders does the D6-400A engine have?<\/h3>\n<p>The D6-400A features a 5.5-liter inline six-cylinder diesel engine configuration.<\/p>\n<h3>Can the package be shipped internationally?<\/h3>\n<p>Yes. Titan Marine Diesel provides worldwide shipping and export logistics support.<\/p>\n<h3>Does the package include warranty coverage?<\/h3>\n<p>Yes. Manufacturer-backed warranty coverage is included subject to Volvo Penta warranty registration requirements.<\/p>\n<h2>Request a Quote<\/h2>\n<p>Interested in the Volvo Penta Aquamatic D6-400A DP-I Marine Diesel Sterndrive Engine?<\/p>\n<p>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.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>For buyers researching <strong data-start=\"1800\" data-end=\"1827\">volvo penta d6 for sale<\/strong>, this 400HP configuration sits at the heart of the D6 range\u2014offering a balance of power, reliability, and long-term ownership value.<\/p>\n","protected":false},"featured_media":4508,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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