Cummins QSB6.7 250HP Marine Diesel Engine
Original price was: $28,000.00.$26,600.00Current price is: $26,600.00.
- Description
Description
Cummins QSB6.7 250HP Marine Diesel Engine
Compact & Fuel-Efficient 6.7L Marine Power | Bluewake Marine Enterprises
The Cummins QSB6.7 250HP marine diesel engine is the entry-level rating within the QSB6.7 series, designed to deliver reliable performance, excellent fuel efficiency, and long-lasting durability. This model is ideal for vessel owners seeking a cost-effective and efficient marine propulsion solution without sacrificing proven Cummins reliability.
If you are searching for a Cummins QSB6.7 250HP marine diesel engine for sale, Bluewake Marine Enterprises offers competitive pricing, expert guidance, and fast worldwide shipping.
Built on a robust 6.7-liter inline 6-cylinder platform, the QSB6.7 250HP features advanced high-pressure common rail (HPCR) fuel injection, combined with turbocharging and aftercooling to ensure smooth operation, efficient fuel consumption, and reduced emissions.
Key Features
- 250HP output for efficient and dependable marine propulsion
- High-pressure common rail (HPCR) fuel system for optimized fuel delivery
- Turbocharged and aftercooled for improved performance and efficiency
- Electronic Control Module (ECM) for accurate diagnostics and control
- Compact and lightweight design for easy installation
- Low noise and vibration levels for enhanced onboard comfort
- Reduced maintenance requirements with extended service intervals
- Supported globally through Cummins and Bluewake Marine Enterprises
Applications
The Cummins QSB6.7 250HP marine engine is ideal for:
- Recreational boats and cruisers
- Coastal fishing vessels
- Light commercial workboats
- Patrol and utility vessels
- Passenger and transport boats
Technical Specifications
| Specification | Details |
|---|---|
| Engine Model | Cummins QSB6.7 |
| Engine Type | Inline 6-cylinder marine diesel |
| Rated Power | 250 HP (MHP) |
| Displacement | 6.7 Liters |
| Fuel System | High-pressure common rail (HPCR) |
| Aspiration | Turbocharged & aftercooled |
| Cooling System | Heat exchanger or keel cooling |
| Control System | Electronic (ECM) |
| Configuration | Inboard marine propulsion engine |
Manufacturer Warranty & Support
The Cummins QSB6.7 250HP marine diesel engine is backed by a Cummins manufacturer warranty, offering confidence and long-term protection for your investment. Warranty coverage typically includes:
- Protection against defects in materials and workmanship
- Coverage for major engine components
- Access to Cummins’ global authorized service network
- Availability of genuine Cummins parts worldwide
Warranty terms may vary depending on application (commercial or recreational use), installation, and region. Bluewake Marine Enterprises provides full assistance with warranty registration and after-sales support.
Gearbox Compatibility & Marine Transmission Options
The Cummins QSB6.7 250HP is engineered for compatibility with a wide range of marine gearboxes and propulsion systems, ensuring flexibility for different vessel configurations.
Common compatible marine transmission systems include:
- ZF Marine Transmissions (ZF/Hurth series)
- Twin Disc marine gearboxes
- ZF Mathers electronic control systems
- Other compatible marine reduction gearboxes based on application requirements
This engine supports:
- Multiple gear ratios for optimized propulsion efficiency
- Electronic and mechanical control integration
- Straight shaft and V-drive configurations
Bluewake Marine Enterprises provides expert support to ensure proper engine and gearbox matching for optimal vessel performance.
Cummins QSB6.7 250HP for Sale – Bluewake Marine Enterprises
At Bluewake Marine Enterprises, we supply Cummins QSB6.7 250HP marine diesel engines for sale with a strong focus on quality, reliability, and customer satisfaction.
Our services include:
- Verified sourcing and inspection
- Competitive international pricing
- Fast and secure worldwide shipping
- Technical consultation for engine and transmission matching
- Support for both new installations and repower projects
Repower & Replacement Solution
The Cummins QSB6.7 250HP is an excellent option for marine repower applications, replacing engines such as:
- Cummins 6BTA 5.9
- Cummins QSB5.9
- Other similar inline diesel engines
This upgrade improves fuel efficiency, reduces emissions, and enhances overall vessel reliability while maintaining a compact installation footprint.
Advanced Engineering & Operational Efficiency
The QSB6.7 250HP incorporates modern Cummins engineering technologies, including:
- Electronically controlled fuel systems for precise performance
- Improved combustion efficiency for cleaner operation
- Durable internal components designed for long service life
- Compatibility with modern marine propulsion systems
With Bluewake Marine Enterprises, customers benefit from dependable supply, expert advice, and ongoing support.
Sales FAQs
Q: Do you have the Cummins QSB6.7 250HP marine diesel engine for sale?
A: Yes, Bluewake Marine Enterprises offers this engine with worldwide availability and competitive pricing.
Q: Does this engine come with a manufacturer warranty?
A: Yes, it is backed by a Cummins manufacturer warranty, and we assist with full registration and support.
Q: What gearboxes are compatible with this engine?
A: It is compatible with ZF Marine and Twin Disc transmissions, among others, with multiple configuration options available.
Q: Is this engine suitable for repower projects?
A: Yes, it is a reliable and efficient solution for upgrading older marine diesel engines.
Request a Quote
For pricing, availability, and shipping details for the Cummins QSB6.7 250HP marine diesel engine for sale, contact Bluewake Marine Enterprises today.
We provide reliable marine engine solutions, expert support, and trusted global service.



