Cummins 4BT Marine Diesel Engine 185-2220HP Boat Generator Truck Engine

Product Details

Product Overview

This is a genuine Cummins 4BT marine diesel engine, manufactured by the Chongqing Cummins Engine Company (). Designed for demanding marine, generator, and truck applications, this engine delivers a robust power output range of 185-2220 horsepower (205-1657 kW). The 4BT platform is renowned globally for its reliability, fuel efficiency, and compact form factor, making it an ideal choice for boat propulsion, auxiliary power generation, and heavy-duty on-highway use.

As a direct OEM product from, this engine ensures exact fitment and performance standards for Cummins-powered equipment. Whether you are repowering a vessel, replacing a generator set engine, or overhauling a truck, this 4BT unit provides a genuine, factory-tested solution with comprehensive documentation including a machinery test report and video inspection.

Key Features & Benefits

• Genuine OEM Quality: Factory-built by, ensuring 100% compatibility with Cummins specifications and eliminating aftermarket guesswork.
• Proven Power Band: Wide horsepower range (185-2220 HP) allows the same engine block to serve multiple applications from small boats to mid-size generators.
• Comprehensive Testing: Each engine comes with a machinery test report and video outgoing inspection, providing verifiable proof of performance before shipment.
• Robust Warranty Protection: Backed by a minimum 12-month warranty, offering peace of mind for commercial fleet operators and marine professionals.
• Lightweight & Compact: At just 30 kg, this engine is exceptionally portable, reducing installation complexity in tight engine rooms or generator enclosures.
• Multi-Application Versatility: Designed for generator, ship, and truck use, providing flexibility for inventory management across different customer segments.

Technical Specifications

OEM Cross-Reference

This engine is a direct OEM product from the Chongqing Cummins Engine Company (). The following reference numbers apply:

• Manufacturing Plant: (Chongqing Cummins Engine Company)
• Base Engine Model: 4BT
• Power Variants: 185 HP, 2220 HP (and intermediate ratings)

Note: For specific part-number-level cross-references (e.g., block, cylinder head, or injection pump numbers), please contact our technical team with your existing engine serial number.

Compatibility

This Cummins 4BT marine diesel engine is commonly used for the following applications:

• Marine: Propulsion engines for fishing boats, workboats, yachts, and auxiliary vessels.
• Generator Sets: Prime and standby power generation in industrial and commercial settings.
• Truck: Medium-duty on-highway trucks and buses requiring compact diesel power.

Important: While the 4BT is a widely adaptable platform, we strongly recommend verifying bell housing, PTO, and mounting configurations with your specific equipment manufacturer before purchase.

Global Supply & Distribution

We ship this genuine Cummins 4BT engine worldwide from our export hub in Chongqing, China—one of the largest inland ports and industrial centers. Our logistics network supports:

• North America: Fast delivery to major ports including Los Angeles, Houston, and Vancouver.
• Europe: Direct shipments to Rotterdam, Hamburg, and Felixstowe.
• Asia-Pacific: Rapid service to Singapore, Busan, and Sydney.
• Middle East & Africa: Routes to Dubai, Jebel Ali, and Durban.

We offer full export documentation, including Bill of Lading, Commercial Invoice, and Certificate of Origin. Our team has extensive experience in international trade compliance, ensuring smooth customs clearance for all destinations.

Quality Assurance

Every Cummins 4BT engine undergoes rigorous quality control procedures:

• Manufacturing Standard: ISO 9001 certified production at, following Cummins global quality guidelines.
• Testing: Each unit is hot-tested and calibrated. A Machinery Test Report is included with every engine.
• Visual Verification: Video Outgoing Inspection is provided, allowing you to confirm the engine’s condition before shipment.
• Warranty: Standard 12-month warranty against manufacturing defects. Extended warranty options are available upon request.

FAQ

Q1: Is this engine a direct bolt-on replacement for an existing 4BT in my boat?
This engine is a genuine CCEC-built 4BT, identical in specification to factory Cummins engines. However, marine installations often have unique PTO, cooling, and mounting adaptations. We recommend cross-referencing your existing engine’s model number and serial number with our team to confirm exact compatibility. We can provide dimensional drawings upon request.

Q2: What maintenance intervals are recommended for this 4BT marine engine?
Standard Cummins 4BT maintenance intervals apply: oil and filter change every 250 hours or 6 months, fuel filter replacement every 500 hours, and valve lash adjustment every 1,500 hours. For marine use, we also recommend heat exchanger inspection every 500 hours. A full operator’s manual is available with the engine.

Q3: Can this engine be used for a generator set rated at 100 kW?
Yes, the 4BT platform is commonly used in generator sets. The power output range (205-1657 kW) covers 100 kW generator applications comfortably. You will need to confirm the correct governor configuration (mechanical or electronic) and SAE bellhousing pattern for your generator end. We can provide technical guidance on mating the engine to common alternator frames.