Displacement: 5.9L | Cylinder arrangement: Inline six-cylinder, four-stroke
Rated power/speed: 89kW (120HP) @ 2200rpm
Maximum torque/speed: 480N·m @ 1600rpm, low-speed high-torque design, adapting to the heavy-load starting and speed change requirements of ships
Fuel system: Mechanical pump fuel injection (optional electronically controlled high-pressure common rail system).
Emission standard: Complies with IMO Tier I/EPA Tier 2, and supports upgrade to Tier III.
Cooling method: Fresh water closed-loop cooling (integrated seawater heat exchanger, adaptable to high-salinity waters).
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High thermal efficiency
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Good economy
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Strong adaptability
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Custom Service
Cummins 6BT5.9-M120 marine diesel engine is the core equipment for ship propulsion and auxiliary power. It is divided into three categories according to the speed: high speed, medium speed and low speed. It has the characteristics of high thermal efficiency, good economy and strong adaptability. It is widely used in civil ships and small and medium-sized ships. It is used as the main engine for propulsion system, and the auxiliary engine drives generators and other equipment. The technology is mature and covers the needs of the entire industry chain.
Cummins significantly reduces the emission of pollutants such as sulfur oxides (SOx) and nitrogen oxides (NOx) through natural gas engines, hydrogen fuel technology and hybrid platforms, supporting the green transformation of the shipbuilding industry.
Emission control: integrated exhaust after-treatment system (such as SCR technology) to meet international emission standards such as IMO Tier III
Application scenarios
Commercial ships: 20-30m offshore fishing boats, inland passenger and cargo ships, ferry main/auxiliary engine power; Operational ships: port tugboats, dredging boats, hydrological monitoring ships; Leisure ships: yacht auxiliary power, small sightseeing boat main engine.
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