- Description
Description
Buy Cummins QSB4.5 150HP Inboard Marine Diesel Engine
The Cummins QSB4.5 150HP Inboard Marine Diesel Engine is a compact, high-efficiency marine propulsion engine designed for commercial vessels, workboats, fishing boats, and recreational marine applications that require dependable power and fuel economy. Built on the trusted Cummins QSB4.5 marine engine platform, this 4.5-liter inline four-cylinder turbocharged diesel engine delivers strong torque, smooth performance, and long-term durability in demanding marine environments.
For vessel owners, shipyards, and marine operators searching for a Cummins QSB4.5 150HP marine diesel engine for sale, this model offers an excellent balance of power, efficiency, reliability, and compact installation dimensions. The engine is widely used in inboard propulsion systems for commercial fishing boats, small workboats, patrol vessels, passenger boats, and recreational cruisers where consistent performance and dependable operation are critical.
At Coastal Wave Marine, the Cummins QSB4.5 150HP inboard marine engine is supplied as a brand-new genuine Cummins marine propulsion engine, complete with standard manufacturer accessories and configuration options. All engines are prepared for professional installation and can be supplied to shipyards, marine service facilities, or vessel owners worldwide.
This engine utilizes advanced High-Pressure Common Rail (HPCR) fuel injection technology, allowing precise fuel delivery and optimized combustion efficiency. This modern fuel system improves fuel economy, throttle response, and engine reliability, while helping reduce operational costs for vessel operators. Combined with a turbocharged and aftercooled air intake system, the engine delivers consistent horsepower output while maintaining efficient operating temperatures.
The Cummins QSB4.5 marine diesel engine is also known for its high power-to-weight ratio, compact footprint, and ease of service, making it a popular choice for marine repower projects, boat engine upgrades, and new vessel builds. For buyers searching online for Cummins marine engines for sale, Cummins 150HP boat engines, or reliable marine diesel engines for workboats, the QSB4.5 platform remains one of the most trusted options in its class.
Through Coastal Wave Marine’s global marine engine supply network, customers can purchase the Cummins QSB4.5 150HP inboard propulsion diesel engine with international delivery, export packaging, and documentation suitable for worldwide shipping.
Cummins QSB4.5 150HP Marine Engine Specifications
| Specification | Details |
|---|---|
| Engine Model | Cummins QSB4.5 Marine Diesel |
| Engine Power | 150 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 ECM Electronic Control System |
| Cooling System | Heat Exchanger or Keel Cooling |
| 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 150HP Marine Engine
Reliable Cummins Marine Propulsion Power
The Cummins QSB4.5 150HP marine propulsion engine provides dependable power for vessels requiring efficient and consistent propulsion performance.
Advanced Common Rail Fuel Technology
The HPCR fuel injection system ensures precise fuel atomization, improving fuel efficiency, engine performance, and reduced fuel consumption.
Compact Marine Diesel Engine Design
With its compact footprint, the Cummins 150HP inboard diesel engine is ideal for vessels where engine room space is limited while maintaining strong propulsion performance.
Durable Marine Engineering
Built for continuous marine duty, the QSB4.5 engine features robust internal components designed to withstand vibration, corrosion, and heavy operational loads.
Ideal for Marine Repower Projects
Many vessel owners searching for a Cummins QSB4.5 replacement engine choose this model for boat repowering, replacing older diesel engines with a modern, fuel-efficient marine propulsion system.
Common Applications
The Cummins QSB4.5 150HP marine diesel engine is widely used in:
Commercial fishing vessels
Workboats and utility vessels
Small offshore service boats
Passenger transport boats
Patrol and security vessels
Recreational cruisers and trawlers
Customers searching for marine diesel engines for sale, Cummins boat engines, 150HP marine diesel engines, or Cummins inboard propulsion engines frequently select the QSB4.5 platform for its reliability and efficient performance.
Global Supply from Coastal Wave Marine
Coastal Wave Marine specializes in supplying new Cummins marine engines, marine propulsion systems, marine generators, and marine gearboxes to vessel owners and shipyards worldwide.
Our marine engine supply services include:
Global export and shipping logistics
Secure export crating for sea or air freight
Marine transmission pairing options
Technical configuration consultation
Support for vessel repower and new build installations
Customers worldwide searching for Cummins marine engines for sale, buy Cummins QSB4.5 marine engine, or Cummins marine diesel engine suppliers can rely on Coastal Wave Marine for professional support and international delivery.
Request a Quote
If you are looking to buy a Cummins QSB4.5 150HP Inboard Marine Diesel Engine, Coastal Wave Marine can provide pricing, availability, and worldwide shipping options. Contact our team today to request a quotation and configuration details for your vessel or marine fleet.