- Description
Description
Cummins QSB4.5 230HP Inboard Marine Diesel Engine
The Cummins QSB4.5 230HP Inboard Marine Engine is a high-performance marine propulsion diesel engine engineered to deliver reliable power, fuel efficiency, and durability for commercial and recreational vessels. Built on the proven Cummins QSB4.5 marine engine platform, this 4.5-liter inline four-cylinder turbocharged diesel engine provides strong torque, smooth acceleration, and dependable operation for vessels operating in coastal, offshore, and inland waters.
For vessel owners and shipyards searching for a Cummins QSB4.5 230HP marine diesel engine for sale, this model offers an ideal balance of power output, compact installation size, and fuel-efficient performance. The QSB4.5 series is widely recognized across the marine industry as one of the most reliable Cummins marine propulsion engines, making it a preferred solution for commercial fishing vessels, workboats, patrol boats, and recreational cruising boats.
At Coastal Wave Marine, the Cummins QSB4.5 230HP inboard diesel engine is supplied as a brand-new genuine Cummins marine engine, complete with standard manufacturer accessories and factory configuration options. These engines are suitable for new vessel construction, marine repower projects, and boat engine upgrades, providing dependable propulsion for demanding marine operations.
The engine is equipped with High-Pressure Common Rail (HPCR) fuel injection, allowing precise fuel delivery and optimized combustion efficiency. This advanced system improves fuel economy, throttle response, and overall engine performance, making it a preferred option for operators searching for a fuel-efficient marine diesel engine.
The turbocharged and aftercooled air intake system increases air density entering the combustion chamber, enabling the engine to deliver strong horsepower output while maintaining efficient operating temperatures. Combined with Cummins Electronic Control Module (ECM) engine management, the system continuously monitors engine parameters to optimize performance and reliability.
Thanks to its compact design and excellent power-to-weight ratio, the Cummins QSB4.5 230HP marine propulsion engine is also commonly used in boat repowering projects, where vessel owners are replacing older diesel engines with modern, more efficient propulsion systems.
Through Coastal Wave Marine’s international marine equipment supply network, customers can purchase the Cummins QSB4.5 230HP inboard marine diesel engine with worldwide shipping, export packaging, and logistics support suitable for shipyards, marine service centers, and vessel operators globally.
Cummins QSB4.5 230HP Marine Engine Specifications
| Specification | Details |
|---|---|
| Engine Model | Cummins QSB4.5 Marine Diesel |
| Power Output | 230 HP |
| Engine Type | 4-Stroke Inline 4-Cylinder Marine Diesel |
| Displacement | 4.5 Liters |
| Bore × Stroke | 107 mm × 124 mm |
| Aspiration | Turbocharged and 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. 443 kg (977 lb) |
| Application | Inboard Marine Propulsion |
| Engine Condition | New |
| Manufacturer | Cummins Marine |
Key Features of the Cummins QSB4.5 230HP Marine Engine
Powerful and Efficient Marine Propulsion
The Cummins QSB4.5 230HP diesel engine delivers dependable propulsion power for small and medium-size vessels requiring reliable inboard diesel performance.
Advanced Common Rail Fuel Injection
The HPCR fuel injection system ensures precise fuel atomization, improving fuel efficiency, engine responsiveness, and reduced fuel consumption.
Compact Installation Design
The Cummins QSB4.5 marine engine offers a compact footprint, making it ideal for vessels with limited engine room space.
Built for Continuous Marine Operation
The engine is engineered with durable internal components designed to withstand corrosion, vibration, and heavy marine operating conditions.
Ideal for Boat Repower Projects
Vessel owners searching for Cummins marine repower engines, 230HP marine diesel engines, or Cummins inboard boat engines for sale frequently choose the QSB4.5 platform for its proven reliability.
Common Vessel Applications
The Cummins QSB4.5 230HP marine diesel engine is widely used in:
Commercial fishing vessels
Offshore service boats
Workboats and utility vessels
Patrol and security vessels
Passenger transport boats
Recreational cruisers and trawlers
Customers searching online for Cummins marine engines for sale, 230HP marine diesel engines, Cummins boat engines, or Cummins inboard propulsion engines often select the QSB4.5 platform due to its efficiency and dependable marine performance.
Global Supply from Coastal Wave Marine
Coastal Wave Marine supplies new Cummins marine propulsion engines, marine generators, marine gearboxes, and complete propulsion systems to shipyards, commercial operators, and vessel owners 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 marine repower and new vessel installations
Customers worldwide searching for buy Cummins marine engines online, Cummins diesel boat engines for sale, or Cummins QSB4.5 marine engine suppliers can rely on Coastal Wave Marine for professional service and international delivery.
If you are looking to buy a Cummins QSB4.5 230HP Inboard Marine Diesel Engine, contact Coastal Wave Marine to request pricing, availability, and worldwide shipping options. Our team can assist with selecting the right Cummins marine propulsion engine for your vessel or fleet.