The 6CTA8.3-M220 marine engine adopts turbocharged intercooling technology, with a rated power of 220 horsepower, a maximum torque of 850N·m, and a fuel consumption rate of ≤195g/kW·h. Equipped with an intelligent electronic control system, it supports real-time working condition monitoring and fault diagnosis, and is suitable for various small and medium-sized commercial ships. The modular design reduces maintenance costs, the B10 life exceeds 20,000 hours, and meets the CCS/IMO Tier II emission standards. It is an ideal power core for offshore fisheries and inland waterway transportation.
In the field of ship power, the 6CTA8.3-M220 marine engine has become the preferred power solution for inland waterway shipping and offshore operations with its precise technical ratio and scenario-based design. Cummins incorporates the golden combination of 8.3 liters of displacement and 220 horsepower into this engine, achieving a balance between power output and fuel economy.
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The rated power of 220 horsepower and the peak torque of 800N・m make the 6CTA8.3-M220 show its adaptability advantages in different types of ships. On a 300-ton inland cargo ship, the engine can propel a fully loaded ship to sail smoothly at a speed of 12 knots, which is 15% higher than the speed-up efficiency of the same power range.
Technological innovation under the compact fuselage
The modular design of the 6CTA8.3-M220 controls the size of the engine body to 1.4m×0.8m×1.1m, which is 20% smaller than the same displacement model, and is particularly suitable for tugboats and workboats with limited cabin space.
In view of the complex characteristics of inland water quality, the engine cooling system is made of corrosion-resistant nickel-based alloy material, which can still work normally in waters with a pH value of 4.5-9.5. The measured data of a canal shipping company showed that after 6CTA8.3-M220 operated continuously for 500 hours in waters with a sand content of 0.3kg/m³, the cooling system efficiency decayed by only 5%, which is far lower than the industry average of 15%. This anti-corrosion property makes it particularly outstanding in sediment-rich basins such as the Yangtze River and the Pearl River, making it a reliable choice for inland river ship power.
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