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Cummins 6CTAA8.3-M260 Marine Diesel Engine | 260HP Marine Propulsion
The Cummins 6CTAA8.3-M260 marine engine is a proven 8.3L propulsion solution designed for reliable performance in commercial and fishing vessel applications. As a genuine DCEC Cummins engine supplier, HekoPower delivers stable power output, efficient fuel consumption, and long service life for marine operators seeking dependable propulsion systems.
With a rated output of 260HP (190kW) and a robust inline 6-cylinder structure, this engine is widely used in 10–20m fishing boats, trawlers, and small cargo vessels. Its turbocharged and aftercooled design ensures optimal combustion efficiency and consistent torque delivery even under continuous duty conditions.
Tech Specs of Cummins 6CTAA8.3-M260
General Engine Data
Engine Model: Cummins 6CTAA8.3-M260
Type: 6 Cylinders, in Line
Displacement: 8.3 L
Bore * Stroke: 114 * 135
Net Weight (with flywheel & alternator): 674 Kg
Overall Dimension: 1360mm*780mm*988mm
Engine Configuration No.: D413069MX03
Key Performance Data
Rated Power/Max Power: 190 kW/260 HP, 209KW/284 HP
Rated Speed/Max Speed: 1800 rpm/1858 rpm
Low Idle Speed: 600-800 rpm
High Idle Speed: 2430 rpm
Fuel Consumption (Running Speed): ≤ 58.3 L/hr
Torque/Rated Speed: 650 N.m @ 2328 rpm
Max Torque/Speed: 1125 N.m @ 1200 rpm
More Technical Data
Certification: CCS Certificates
Aspiration: Turbocharged and Charge Air Cooled
Compression Radio: 17.3:1
Fuel System: Weifu PW2000 Pump/ RQV-K Governor
Governor Type: Mechanical Control
Starting System: Electrical Start (12V/24V)
Lowest Starting Temp Without auxiliary system: -12℃
Cooling Method: Sea water pump, Heat exchanger, Water cooled
Engine Cooling Fluid Volume: 11.4 L
Key Features of Cummins 6CTAA8.3-M260 Marine Engine
High Torque and Reliable Performance
The Cummins 6CTAA8.3-M260 delivers a maximum torque of 1125 N·m at 1200 rpm, ensuring strong low-speed propulsion for heavy-load marine operations. This makes it ideal for vessels requiring stable thrust during long working hours.
Fuel Efficiency and Operational Economy
With fuel consumption ≤ 58.3 L/hr, this 260HP Cummins marine diesel engine offers an excellent balance between power output and operating cost, making it a preferred choice for cost-sensitive fleet operators.
Cold Start Capability (-12°C)
Designed for harsh environments, the engine supports minimum starting temperature of -12°C, ensuring reliable ignition in cold marine conditions.
Marine-Grade Design and Components
- Weifu PW2000 fuel pump with RQV-K governor
- Wet exhaust manifold with shielding design
- Heat exchanger cooling system compatibility
- Marine-grade air filtration system
Ease of Maintenance
Designed for serviceability, the engine features a rear gear train for reduced noise and maintenance accessibility. The marine grade air filter and accessible oil pan (18.9L capacity) simplify routine checks. For operators comparing the 6CTAA8.3-M260 vs NTA855, the 6CT offers a more compact footprint while maintaining similar durability standards.
Certification and Compliance
Navigating international waters requires strict adherence to regulations. This engine comes with CCS and Lloyd’s Register certification, ensuring it meets IMO Tier II emission standards. This makes it a compliant choice for commercial vessels operating in regulated zones.
Applications: Ideal Vessel Matches
The versatility of the Cummins M260 engine makes it suitable for a wide range of hull types:
- Fishing Vessels: Ideal for 10–20m fishing boats requiring reliable main propulsion.
- Tugboats & Workboats: High torque at low RPM is perfect for towing operations.
- Small Cargo Vessels: Provides the endurance needed for coastal shipping.
- Passenger Ferries: Smooth operation and low noise levels (approx. 78dB at 2000 RPM).
Comparison: 6CTAA8.3-M260 vs Other Marine Engines
6CTAA8.3-M260 vs 6CTA8.3-M220
- Higher power output (260HP vs 220HP)
- Improved torque for heavier loads
- Better suited for larger vessels
6CTAA8.3-M260 vs NTA855 Marine Engine
- Lighter weight and more compact design
- Lower fuel consumption
- Ideal for medium-sized vessels vs heavy-duty ships
Why Choose HekoPower as Your Cummins Supplier
As a professional supplier, HekoPower provides:
- Genuine DCEC Cummins 6CTAA8.3-M260 engines
- Competitive wholesale pricing
- Fast delivery (7–15 business days)
- Flexible payment terms (T/T, L/C, Western Union)
- 12-month warranty support
We ensure every engine meets IMO Tier II and marine certification standards, supporting global marine operations.
Cummins C8.3-M Series (C8.3 Marine Engine), marine propulsion engines for commercial and recreational applications, original products from Dongfeng Cummins Engine Plant (DCEC), Cummins Joint Venture Plant since 1986, 50% shareholding by Cummins USA. This series mainly includes 6CTA8.3-M188, 6CTA8.3-M205, 6CTA8.3-M220, 6CTA8.3-M260. All engines complete with sea water pump, heat exchanger, CCS/IMO certificates.
Frequently Asked Questions
Is the Cummins 6CTAA8.3-M260 suitable for continuous operation?
Yes, it is designed for continuous duty with stable thermal performance and reliable lubrication systems.
What cooling system is recommended?
Both heat exchanger and keel cooling systems are supported depending on vessel configuration.
What certifications does this engine have?
The engine complies with IMO Tier II, CCS, and Lloyd’s Register standards.
