- Description
Description
Cummins QSC 8.3 500HP Marine Diesel Engine
The Cummins QSC 8.3 500HP Marine Diesel Engine is a high-performance inboard marine propulsion engine engineered to deliver exceptional power, durability, and fuel efficiency for demanding marine applications. Built on the robust Cummins QSC 8.3 marine engine platform, this 8.3-liter inline six-cylinder turbocharged diesel engine provides reliable propulsion for commercial vessels, sportfishing boats, patrol craft, and high-performance recreational yachts.
The Cummins QSC 8.3 500HP marine propulsion engine is designed for operators who require high torque output, rapid acceleration, and dependable performance under continuous marine duty cycles. With its advanced electronic fuel system and marine-grade engine architecture, the QSC series is widely recognized across the marine industry as one of the most reliable Cummins marine diesel engines for sale in the mid-to-high horsepower propulsion category.
At Coastal Wave Marine, the Cummins QSC 8.3 500HP marine engine is supplied as a brand-new genuine Cummins marine propulsion engine, delivered with standard manufacturer accessories and configuration options. Each engine is prepared for installation in new vessel builds, commercial marine fleets, and marine repower projects, providing a proven propulsion solution for shipyards and vessel operators worldwide.
The engine incorporates High-Pressure Common Rail (HPCR) fuel injection technology, which precisely controls fuel delivery for optimized combustion efficiency, improved throttle response, and reduced fuel consumption. This advanced system allows the Cummins QSC 8.3 marine diesel engine to deliver powerful acceleration and stable performance across varying load conditions while maintaining excellent fuel economy.
The turbocharged and seawater-aftercooled air intake system enhances engine efficiency by increasing air density entering the combustion chamber, enabling the engine to produce 500 horsepower of dependable marine propulsion power. Combined with Cummins Electronic Control Module (ECM) engine management, the system continuously monitors engine parameters to optimize performance, protect engine components, and maintain consistent power delivery.
With its high power-to-weight ratio, compact installation footprint, and proven durability, the Cummins QSC 8.3 500HP inboard marine diesel engine is frequently selected by vessel owners searching for Cummins marine engines for sale, 500HP marine diesel engines, Cummins boat engines, or reliable marine propulsion engines for sportfishing boats and commercial vessels.
Through Coastal Wave Marine’s global marine equipment supply network, customers can purchase the Cummins QSC 8.3 500HP marine propulsion engine with international delivery, export packaging, and logistics coordination suitable for shipyards, marine service facilities, and vessel operators worldwide.
Cummins QSC 8.3 500HP Marine Engine Specifications
| Specification | Details |
|---|---|
| Engine Model | Cummins QSC 8.3 Marine Diesel |
| Engine Power | 500 HP |
| Engine Configuration | Inline 6-Cylinder, 4-Stroke Marine Diesel |
| Displacement | 8.3 Liters |
| Bore × Stroke | 114 mm × 135 mm |
| Aspiration | Turbocharged and Seawater Aftercooled |
| Fuel System | High-Pressure Common Rail (HPCR) |
| Electronic Control | Cummins Electronic Control Module (ECM) |
| Cooling System | Heat Exchanger or Keel Cooling Configuration |
| Typical Dry Weight | Approx. 884 kg (≈ 1,950 lb) |
| Application | Inboard Marine Propulsion |
| Engine Condition | New |
| Manufacturer | Cummins Marine |
Technical and Performance Features
High-Output Marine Propulsion Performance
The Cummins QSC 8.3 500HP diesel engine delivers powerful propulsion output with strong torque characteristics, making it suitable for high-performance marine vessels and heavy-duty commercial applications.
Advanced High-Pressure Common Rail Fuel System
The HPCR injection system ensures precise fuel atomization and combustion control, improving fuel efficiency, engine responsiveness, and reduced fuel consumption.
Integrated Electronic Engine Management
The Cummins ECM electronic control system continuously monitors engine parameters such as fuel pressure, temperature, and load conditions to optimize engine performance and reliability.
Turbocharged Aftercooled Air System
The turbocharger and seawater aftercooler increase intake air density and combustion efficiency, enabling the engine to maintain strong horsepower output under demanding operating conditions.
Heavy-Duty Marine Engine Construction
The Cummins QSC 8.3 marine diesel engine features a robust cast-iron block, marine-grade components, and corrosion-resistant materials designed to withstand continuous marine operation.
Typical Marine Applications
The Cummins QSC 8.3 500HP marine diesel engine is widely used in:
Sportfishing boats and offshore yachts
Commercial fishing vessels
Offshore service vessels
Patrol and security boats
Passenger transport vessels
Workboats and utility vessels
Buyers searching online for Cummins marine engines for sale, 500HP marine diesel engines, Cummins inboard propulsion engines, or Cummins boat engines for repower projects frequently select the QSC series due to its reliability and high-performance capabilities.
Global Marine Engine Supply
Coastal Wave Marine supplies new Cummins marine engines, marine propulsion systems, marine generators, and marine gearboxes to vessel owners, shipyards, and commercial marine operators worldwide.
Our marine engine supply services include:
Worldwide shipping and export logistics
Professional export crating for sea or air freight
Marine transmission pairing options
Engine configuration consultation
Support for vessel repower and new vessel construction
Customers searching for buy Cummins marine engines online, Cummins QSC 8.3 marine diesel engine suppliers, or marine propulsion engines for sale can rely on Coastal Wave Marine for professional service and global delivery.
If you are looking to buy a Cummins QSC 8.3 500HP Marine Diesel Engine, contact Coastal Wave Marine to request pricing, configuration options, and worldwide shipping arrangements. Our team can assist with selecting the right Cummins marine propulsion engine for your vessel or commercial fleet.