Cummins QSL 9 550HP Marine Diesel Engine
$45,088.00
- Description
Description
Cummins QSL 9 550HP Marine Diesel Engine For Sale
The Cummins QSL9 550HP Marine Diesel Engine is a high-performance, electronically controlled marine propulsion engine designed for demanding commercial vessels, patrol boats, sportfishing yachts, and heavy-duty workboats. Built on the proven Cummins QSL9 platform, this powerful 9-liter inline-6 turbocharged diesel engine delivers exceptional torque, fuel efficiency, and durability for marine operators who require dependable propulsion in challenging environments.
At Coastal Wave Marine, the Cummins QSL9 550HP Marine Propulsion Engine is supplied as a new, genuine Cummins marine engine, delivered with standard manufacturer accessories, factory configuration options, and global support availability. Each engine is sourced through verified distribution channels and prepared for installation in a wide range of marine propulsion applications.
Designed with advanced high-pressure common-rail fuel injection, electronically controlled engine management, and a robust turbocharged air-handling system, the Cummins QSL9 550HP marine diesel engine offers strong acceleration, excellent throttle response, and stable performance across varying load conditions. These engineering advantages make the QSL9 series a trusted choice for both commercial marine fleets and private vessel repower projects.
The engine’s compact footprint and high power-to-weight ratio allow vessel builders and marine engineers to maximize propulsion output without sacrificing valuable engine room space. Combined with Cummins’ globally recognized reliability, the QSL9 550HP propulsion engine provides a dependable long-term solution for vessels operating in coastal, offshore, and inland waterways.
Marine professionals value the QSL9 platform for its service accessibility, extended maintenance intervals, and efficient fuel consumption, helping reduce operational costs while maintaining consistent performance on the water. When paired with compatible marine transmissions, cooling systems, and control packages, the engine integrates seamlessly into new builds or repower installations.
Through Coastal Wave Marine’s international logistics network, the Cummins QSL9 550HP marine diesel engine can be supplied worldwide with secure export packaging, professional handling, and documentation suitable for international shipping and marine certification processes.
Cummins QSL9 550HP Marine Engine Specifications
| Specification | Details |
|---|---|
| Engine Model | Cummins QSL9 Marine Diesel Engine |
| Power Output | 550 HP |
| Engine Type | 4-Stroke Inline 6-Cylinder Turbocharged Diesel |
| Displacement | 8.9 Liters |
| Fuel System | High-Pressure Common Rail (HPCR) |
| Aspiration | Turbocharged with Aftercooler |
| Cooling System | Seawater Heat Exchanger / Keel Cooling Options |
| Electronic Control | Cummins Electronic Control Module (ECM) |
| Application | Marine Propulsion |
| Typical Vessel Types | Sportfishing Boats, Patrol Boats, Workboats, Commercial Vessels |
| Emissions Compliance | Designed to meet applicable marine emission standards depending on configuration |
| Engine Condition | Brand New |
| Manufacturer | Cummins Marine |
Key Features of the Cummins QSL9 550HP Marine Propulsion Engine
High Power Density
The 9-liter engine block delivers 550 horsepower of reliable marine propulsion, making it suitable for high-speed vessels and demanding commercial operations.
Advanced Electronic Engine Management
Cummins electronic controls optimize fuel injection timing and engine performance for improved efficiency and reduced emissions.
Fuel Efficiency and Operational Economy
The high-pressure common rail fuel system ensures precise fuel delivery, improving combustion efficiency and reducing fuel consumption.
Durability for Marine Environments
The engine is engineered for continuous marine duty with robust components designed to withstand corrosion, vibration, and extended operating hours.
Repower Compatibility
The compact design of the Cummins QSL9 marine engine makes it a popular option for repowering existing vessels, improving reliability and power output compared to older propulsion systems.
Applications
The Cummins QSL9 550HP Marine Diesel Engine is widely used in:
Commercial fishing vessels
Offshore service boats
High-performance sportfishing yachts
Passenger transport vessels
Patrol and security boats
Heavy-duty workboats
Global Supply and Delivery
Coastal Wave Marine supplies new Cummins marine engines, propulsion systems, marine generators, and marine gearboxes to clients worldwide. Engines are delivered with appropriate documentation and packaging suitable for domestic or international shipping.
Customers may request additional configuration options including:
Marine transmission pairing
Control panel and harness packages
Cooling system options
Export crating for sea or air freight
Our logistics team coordinates shipments to shipyards, marine service facilities, and commercial operators globally.
Why Choose Coastal Wave Marine
Verified marine engine supply network
Global shipping and export capability
Support for new builds and repower projects
Access to genuine marine propulsion equipment
Professional support for international buyers
If you are looking for a Cummins QSL9 550HP Marine Diesel Engine for sale, contact Coastal Wave Marine today to request pricing, configuration options, and international delivery arrangements. Our team can assist with selecting the right Cummins marine propulsion engine for your vessel or commercial fleet.