Cummins B5.9CMII190 Marine Engine | 188HP Continuous Duty Marine Diesel Power

Product Description

The Cummins B5.9CMII190 is a 5.9-liter, 6-cylinder, turbocharged marine diesel engine delivering 188 horsepower (140 kW) @ 2200 RPM. Engineered for continuous-duty marine propulsion, it’s ideal for vessels operating under constant load such as ferries, fishing boats, and workboats.

This engine is equipped with a High Pressure Common Rail (HPCR) fuel system, a Jacket Water Aftercooling (JWAC) system, and a compact yet robust cast-iron design. With proven Cummins reliability, low emissions compliant with IMO Tier II and China GB15097-2016, and efficient fuel consumption, the B5.9CMII190 boat engine is the go-to solution for dependable marine power.

Specifications

Product Advantages

• Compact and Efficient: Ideal for space-constrained engine rooms while delivering reliable power.
• Continuous Duty Design: Perfect for marine applications requiring long hours of operation at full load.
• Fuel Efficient: Lower operating costs due to optimized combustion and HPCR injection.
• Low Emissions: Meets IMO Tier II and China Stage II regulations for NOx, HC, CO, and PM.

• Ease of Maintenance: Engineered with service-friendly access and modular component design.

Key Features

• Turbocharged Performance: Provides improved torque and acceleration across the speed range.
• HPCR Fuel System: Ensures precise fuel metering, reduced noise, and improved cold start performance.
• JWAC Cooling System: Enhances thermal efficiency and protects engine components under high load.
• Robust Construction: Cast iron block and cylinder head for durability in harsh marine environments.

• Low Vibration and Noise: Contributes to operator comfort and longer component life.

Applications

• Small Workboats and Utility Boats
• Coastal and Inland Ferries
• Fishing Vessels
• Patrol and Pilot Boats
• Harbor Service Vessels

• Light Cargo Barges

Product Availability

The Cummins B5.9CMII190 marine engine is available for global shipment with flexible configuration options. Our offerings include:

• Worldwide delivery and installation assistance
• Optional heat exchanger or keel cooling setups
• Customization for specific propulsion systems

• Genuine Cummins spare parts and field support

📩 Contact us now to receive a detailed quotation, technical drawings, or to discuss customized power solutions for your vessel.