Cummins QSB4.5 180HP Marine Diesel Engine
$25,088.00
- Description
Description
The Cummins QSB4.5 180HP Marine Diesel Engine is a reliable and efficient inboard marine propulsion engine engineered for commercial vessels, fishing boats, patrol boats, workboats, and recreational marine applications. Built on the proven Cummins QSB4.5 marine engine platform, this 4.5-liter inline four-cylinder turbocharged diesel engine delivers strong torque, dependable performance, and excellent fuel economy for vessels operating in coastal and offshore environments.
Designed for durability and long service life, the Cummins QSB4.5 180HP marine propulsion engine combines modern fuel system technology with robust marine engineering. The engine features High-Pressure Common Rail (HPCR) fuel injection, allowing precise fuel delivery that improves combustion efficiency, reduces fuel consumption, and ensures smooth throttle response across the operating range. These technologies make the QSB4.5 series one of the most trusted Cummins marine diesel engines for sale in the mid-power marine propulsion segment.
At Coastal Wave Marine, the Cummins QSB4.5 180HP inboard marine 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 builds, commercial marine applications, and boat repower projects where operators require dependable propulsion and efficient fuel performance.
The engine’s turbocharged and aftercooled air intake system increases air density in the combustion chamber, allowing the engine to deliver consistent horsepower while maintaining optimal operating temperatures. Combined with Cummins electronic engine management (ECM), the engine automatically monitors and adjusts operating parameters to maximize performance, fuel efficiency, and engine protection.
Because of its compact footprint and excellent power-to-weight ratio, the Cummins QSB4.5 180HP marine diesel engine is also a popular option for vessel owners searching for a Cummins marine repower engine, Cummins boat engine replacement, or reliable 180HP marine diesel engine for workboats and fishing boats.
Through Coastal Wave Marine’s international marine equipment supply network, customers can purchase the Cummins QSB4.5 180HP marine propulsion engine with worldwide shipping, export packaging, and logistics support for shipyards and vessel operators globally.
Cummins QSB4.5 180HP Marine Engine Specifications
| Specification | Details |
|---|---|
| Engine Model | Cummins QSB4.5 Marine Diesel |
| Engine Power | 180 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 |
| 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 180HP Marine Engine
Powerful and Efficient Marine Propulsion
The Cummins QSB4.5 180HP diesel engine delivers strong propulsion performance for small and mid-size vessels requiring reliable inboard power.
Advanced Common Rail Fuel Injection
The HPCR fuel system provides precise fuel atomization, improving fuel efficiency, engine performance, and reduced fuel consumption during marine operations.
Compact and Space-Efficient Design
The Cummins QSB4.5 marine engine offers a compact footprint, making it ideal for vessels with limited engine room space while maintaining strong propulsion power.
Engineered for Continuous Marine Duty
Built with durable internal components, the engine is designed to withstand vibration, corrosion, and heavy marine operating conditions.
Ideal for Boat Repower Projects
Vessel owners searching for a Cummins marine engine replacement, Cummins 180HP marine diesel engine for sale, or reliable marine propulsion engines frequently select the QSB4.5 platform for its proven reliability and efficiency.
Common Vessel Applications
The Cummins QSB4.5 180HP marine diesel engine is commonly used in:
Commercial fishing vessels
Workboats and service vessels
Patrol and security boats
Passenger transport boats
Coastal cruisers and trawlers
Utility and offshore support boats
This engine is widely searched by buyers looking for Cummins marine engines for sale, 180HP marine diesel engines, Cummins boat engines, and Cummins inboard propulsion engines.
Global Marine Engine Supply
Coastal Wave Marine supplies new Cummins marine engines, marine propulsion systems, marine generators, and marine gearboxes to shipyards, vessel owners, and commercial marine operators worldwide.
Our services include:
International shipping and export logistics
Marine transmission pairing options
Engine configuration consultation
Export crating for sea or air freight
Support for marine repower and new vessel builds
Customers 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 global supply and professional support.
If you are looking to buy a Cummins QSB4.5 180HP 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.