Volvo Penta D8-50 Marine Diesel Engine 550HP – High-Performance Commercial & Recreational Power | Coastal Wave Marine

The Volvo Penta D8-50 marine diesel engine 550HP is a premium 7.7-liter inline-six marine propulsion engine engineered for vessels that demand high torque, low fuel consumption, and long-term operational reliability. Designed for both commercial and recreational marine applications, this engine combines advanced common-rail fuel injection, twin-entry turbocharging, and Electronic Vessel Control (EVC) for precise handling and exceptional efficiency.

At Coastal Wave Marine, we supply genuine Volvo Penta marine engines for sale, backed by expert product knowledge, transparent specifications, and manufacturer-supported warranties.

Volvo Penta D8 Marine Engine Overview (Expert Insight)

The Volvo Penta D8 marine engine platform is widely respected for its marine-specific torque curve, delivering strong pulling power at low RPM while maintaining smooth cruising performance at higher engine loads. The D8-50 550HP configuration is particularly well-suited for:

• Patrol boats

• Offshore cruisers

• Commercial workboats

• High-performance motor yachts

Its double overhead camshaft (DOHC) design and electronically controlled common-rail system ensure quiet operation, reduced vibration, and responsive throttle control.

Performance & Onboard Experience

The Volvo Penta D8-50 marine diesel engine 550HP delivers a class-leading power-to-weight ratio, making it ideal for vessels where performance and weight efficiency are critical.

Key Performance Benefits

• 550 horsepower output with strong low-RPM torque

• Smooth acceleration and responsive maneuvering

• Reduced vibration and noise levels

• Stable cruising efficiency under continuous load

These characteristics are consistently highlighted in real-world Volvo Penta D8-50 marine diesel engine 550HP reviews, particularly for vessels operating in demanding sea conditions.

Fuel Efficiency & Emissions Control

The optimized common-rail fuel injection system precisely meters fuel delivery based on real-time engine parameters. This results in:

• Lower overall fuel consumption

• Improved combustion efficiency

• Reduced exhaust emissions

• Consistent performance across varying load conditions

This makes the engine a cost-effective long-term solution when evaluating Volvo Penta D8 price vs lifecycle operating costs.

Electronic Vessel Control (EVC) Integration

Volvo Penta Electronic Vessel Control (EVC) is standard on the D8-50 and allows seamless integration between propulsion, navigation, and onboard systems.

EVC features include:

• Single-Lever Control

• Cruise Control

• Glass Cockpit compatibility

• Joystick integration (application-dependent)

• Standard e-Key security

Long Service Life & Maintenance Confidence

The Volvo D8 engine specs emphasize durability. The engine is built with a robust cast-iron block, heavy-duty engine cover, and accessible service points, making routine maintenance straightforward.

Volvo Penta-approved oils, lubricants, and coolants help ensure maximum uptime and extended engine life, particularly for commercial operators.

Technical Specifications – Volvo Penta D8-50 Marine Diesel Engine 550HP

Volvo Penta D8-50 Marine Diesel Engine 550HP Price & Availability

The Volvo Penta D8-50 marine diesel engine 550HP price varies based on configuration, availability, and region.

📩 Contact Coastal Wave Marine for:

• Current pricing

• Lead times

• Installation support

• Shipping options

This engine is available for sale through authorized supply channels only.

Warranty Information

Standard Manufacturer Warranty

• Volvo Penta limited factory warranty (coverage varies by region and application)

Optional Extended Coverage

• Extended Volvo Penta protection plans available

All engines sold by Coastal Wave Marine are:

• New & genuine

• Covered by manufacturer support

• Supplied with official documentation

Frequently Asked Questions (FAQs)

1. Where can I find the Volvo Penta D8-50 marine diesel engine 550HP manual?

The official Volvo Penta D8-50 marine diesel engine 550HP manual is available upon purchase or through authorized Volvo Penta service partners.

2. Is the Volvo Penta D8-50 suitable for commercial use?

Yes. The engine is widely used in commercial and professional marine applications due to its durability and fuel efficiency.

3. How does the Volvo Penta D8-50 compare to other 550HP marine engines?

Compared to similar power-class engines, the Volvo Penta D8-50 offers superior torque delivery, quieter operation, and seamless EVC integration.

4. Is this engine available for immediate purchase?

Availability varies. Contact Coastal Wave Marine for current stock and delivery timelines.

Why Buy from Coastal Wave Marine

• Authorized marine engine supplier

• Transparent specifications and documentation

• Manufacturer-supported warranties

• Expert pre-purchase guidance

• Commercial and recreational marine experience