Cummins QSB6.7 550HP Marine Diesel Engine

Description

New Cummins QSB6.7 550HP Marine Diesel Engine For Sale

High-Performance 6.7L Marine Power – Bluewake Marine Enterprises

The Cummins QSB6.7 550HP marine diesel engine is the highest output model in the proven QSB6.7 series, delivering exceptional performance, fuel efficiency, and long-term reliability for modern marine vessels. Supplied by Bluewake Marine Enterprises, this engine is trusted by commercial operators and private vessel owners worldwide.

If you are looking for a Cummins QSB6.7 550HP price, Bluewake Marine Enterprises provides competitive pricing, expert consultation, and fast worldwide shipping.

Built on a durable 6.7-liter inline 6-cylinder platform, this engine integrates high-pressure common rail (HPCR) fuel injection, turbocharging, and aftercooling to deliver smooth power, reduced emissions, and optimized fuel consumption across a wide range of marine applications.

Key Features Of a Cummins QSB6.7 550HP Marine Diesel Engine

• 550HP high-performance output for demanding marine operations
• High-pressure common rail (HPCR) fuel system for precise fuel delivery
• Turbocharged and aftercooled for enhanced power and efficiency
• Advanced electronic control module (ECM) for monitoring and diagnostics
• Compact and lightweight design for flexible installation
• Low noise and vibration for improved onboard comfort
• Extended service intervals for reduced maintenance costs
• Backed by Cummins engineering and Bluewake Marine Enterprises global support

Applications

The Cummins QSB6.7 550HP marine engine is ideal for:

• Sportfishing boats
• Motor yachts and cruisers
• Patrol and security vessels
• Commercial workboats
• Passenger transport vessels

Technical Specifications

Manufacturer Warranty & Support

The Cummins QSB6.7 550HP marine diesel engine is supported by a Cummins manufacturer warranty, ensuring peace of mind and long-term protection for your investment. Warranty coverage typically includes:

• Factory-backed limited warranty on major engine components
• Coverage for defects in materials and workmanship
• Access to Cummins’ global authorized service network
• Availability of genuine Cummins parts and service support worldwide

Warranty terms may vary depending on application (recreational vs commercial use), installation, and region. Bluewake Marine Enterprises provides full guidance on warranty registration, activation, and service support.

Gearbox Compatibility & Marine Transmission Options

The Cummins QSB6.7 550HP is designed for seamless integration with a wide range of marine gearboxes and transmission systems, making it highly adaptable for different vessel configurations.

Supported marine gearbox brands commonly paired with this engine include:

• ZF Marine Transmissions (ZF/Hurth series)
• Twin Disc marine transmissions
• ZF Mathers electronic control systems
• Other compatible marine reduction gearboxes based on application requirements

This engine supports:

• Multiple gear ratios for optimal propulsion performance
• Electronic and mechanical control integration
• Straight shaft, V-drive, and optional configurations depending on vessel design

Bluewake Marine Enterprises assists in selecting the correct gearbox combination to ensure optimal engine performance, fuel efficiency, and drivetrain reliability.

Cummins QSB6.7 550HP for Sale – Bluewake Marine Enterprises

At Bluewake Marine Enterprises, we specialize in supplying Cummins QSB6.7 550HP marine diesel engines for sale to customers worldwide. Our services include:

• Verified sourcing and quality assurance
• Competitive international pricing
• Fast and secure global shipping
• Expert support for engine and gearbox matching
• Assistance for new installations and repower projects

Repower & Replacement Solution

The Cummins QSB6.7 550HP is a preferred choice for marine engine repower projects, replacing:

• Cummins 6BTA 5.9
• Cummins QSB5.9
• Other similar inline 6-cylinder diesel engines

This upgrade delivers improved fuel efficiency, increased horsepower, and enhanced reliability while maintaining a compact installation footprint.

Advanced Engineering & Reliability

The QSB6.7 platform incorporates advanced Cummins technology, including:

• Electronically controlled fuel injection for precision performance
• Optimized combustion for reduced emissions and cleaner operation
• Heavy-duty internal components for long service life
• Compatibility with modern marine propulsion systems

With Bluewake Marine Enterprises, customers benefit from reliable supply, technical expertise, and ongoing support.

FAQs

Q: Do you have the Cummins QSB6.7 550HP marine diesel engine for sale?
A: Yes, Bluewake Marine Enterprises supplies this model with worldwide availability and competitive pricing.

Q: Does the engine come with a manufacturer warranty?
A: Yes, the engine is backed by a Cummins manufacturer warranty. Our team will guide you through coverage details and registration.

Q: What gearboxes are compatible with this engine?
A: It is compatible with leading marine transmissions such as ZF Marine and Twin Disc, with multiple ratio options available.

Q: Can you assist with selecting the right gearbox?
A: Yes, we provide expert consultation to ensure proper engine and transmission matching.

Request a Quote

For pricing, availability, and shipping details for the Cummins QSB6.7 550HP for sale, contact Bluewake Marine Enterprises today.

We deliver reliable marine engine solutions, expert support, and global service you can trust.