The CM6D28C series
Marine Diesel Engine consists of two professional models:
CM6D28C.353 20 (Main engine) and
CM6D28C.350.20 (Auxiliary Engine). Engineered specifically for marine scenarios, both models adopt a 6-cylinder in-line layout, paired with water-cooled in-cylinder direct injection and turbocharging technology. With certifications from
CCS (China Classification Society) and
IMO (International Maritime Organization), the series fully complies with global mainstream marine power standards, providing reliable power support for inland and coastal vessels.
The main engine is optimized for the core propulsion needs of vessels, delivering stable high power at 1800r/min to meet the navigation requirements of fully loaded cargo ships and engineering vessels. The auxiliary engine is tailored for on-board auxiliary power systems such as power generation and hydraulic equipment, operating efficiently at 1500r/min. Both models share the same compact size and consistent technical design, making them an ideal choice for small and medium-sized vessel power configuration and refitting projects.
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Dual-model Matching, Full-scenario Coverage
- The main engine boasts a rated power of 321kW and a 1-hour overload power of 353kW at 1800r/min, with a minimum stable operating speed of 600r/min. It can easily handle heavy-load navigation conditions such as countercurrent sailing and full cargo capacity, ensuring strong and continuous propulsion power.
- The auxiliary engine has a rated power of 318kW and a 1-hour overload power of 350kW at 1500r/min, with a fixed minimum stable operating speed of 1500r/min, which perfectly matches the working characteristics of auxiliary equipment such as generators and hydraulic pumps, realizing efficient power conversion.
- The two models have the same piston displacement of 11.81L, compression ratio of 17±1, and net weight of 1265kg, which is convenient for unified management of spare parts and maintenance, reducing the later operation and maintenance cost of the fleet.
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High Energy Efficiency and Low Consumption, Cost-saving Operation
- The main engine has a minimum specific Fuel consumption of less than 190g/kw•h, and the auxiliary engine is less than 198g/kw•h, both of which are lower than the industry average level of the same type of products.
- The oil-fuel consumption ratio of the whole series is controlled below 0.1%, which effectively reduces the consumption of lubricating oil during long-term operation. For vessel operators, it can significantly save fuel and oil costs and improve the economic benefits of vessel operation.
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Robust and Durable, Adapted to Marine Environment
- The water-cooled heat dissipation system efficiently controls the engine operating temperature, ensuring stable operation even during long-hour continuous work in high-humidity and high-salt-spray marine environments.
- The cylinder block and key components are made of marine-grade high-strength materials, which have excellent corrosion resistance and vibration resistance, and can withstand the complex working conditions of vessel navigation such as hull shaking and wave impact.
- The electrical start mode has high reliability, and can start quickly even in low-temperature environments, ensuring the timeliness of vessel departure and operation.
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Compact Structure, Easy Installation and Maintenance
- The overall dimensions of the two models are uniformly 1780×984×1388mm, which is compact and does not occupy too much engine room space, suitable for the space layout of most small and medium-sized inland and coastal vessels.
- The crankshaft rotation direction is uniformly set to counterclockwise (facing the power output end), which is compatible with mainstream marine gearboxes and auxiliary equipment, reducing the difficulty of installation and commissioning.
- The lubricating oil capacity is 37L, and the maintenance cycle is clear. The daily maintenance work such as oil change and filter element replacement is simple and easy to operate, which shortens the vessel downtime caused by maintenance.
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Pre-start Inspection
- Check the oil level of the lubricating oil: Ensure that the oil level is between the upper and lower limit marks of the oil dipstick; if it is insufficient, make up the specified model of marine Diesel Engine oil in time.
- Check the coolant level: Confirm that the coolant in the water tank is sufficient, and check whether the pipeline has leakage.
- Check the fuel quantity: Ensure that the diesel oil meets the marine use standard, and the fuel tank has sufficient fuel.
- Check the electrical system: Verify that the battery voltage is normal, and the circuit connection is firm without loosening.
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Start-up Operation
- Turn on the power switch of the engine control panel, and confirm that the instrument indicators are normal.
- For the main engine: Adjust the throttle to the idle position, press the start button, and the engine will start at low speed. After the oil pressure and water temperature reach the normal range, gradually increase the speed to the rated 1800r/min.
- For the auxiliary engine: Ensure that it is connected to the corresponding auxiliary equipment, press the start button, and the engine will run stably at 1500r/min; it is strictly forbidden to run beyond the rated speed without permission.
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Operation Monitoring
- During the operation of the engine, regularly check the readings of the instrument panel, including oil pressure, water temperature, fuel consumption, etc. If the parameters exceed the normal range, stop the machine for inspection in time.
- Listen to the running sound of the engine. If there is abnormal noise such as knocking and friction, shut down immediately to avoid mechanical failure.
- For the main engine, pay attention to the matching with the vessel's propulsion system, and avoid sudden acceleration and deceleration during navigation to reduce mechanical wear.
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Shutdown Operation
- Normal shutdown: First reduce the engine speed to idle speed, run for 3-5 minutes to cool down the components, then turn off the fuel switch and press the stop button.
- Emergency shutdown: In case of major faults such as oil shortage, water shortage, and severe leakage, pull the emergency stop switch immediately; after the shutdown, conduct a comprehensive inspection of the engine to eliminate the fault before restarting.
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Captain Li, Inland Cargo Vessel Operator
"We installed the CM6D28C main engine on our 500-ton cargo ship last year. It has been navigating the Yangtze River for more than 10,000 nautical miles. The power is very sufficient, even when fully loaded against the current, it does not feel weak. The most satisfying thing is the fuel consumption, which is about 10% lower than the previous engine, saving a lot of costs every month."
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Marine Engineering Company Technician Wang
"Our company uses the CM6D28C auxiliary engine to match the marine
Generator set. The operation is very stable, and the power output is consistent, which ensures the normal operation of the on-board electrical equipment. The compact size is very suitable for the limited space of the engineering ship's engine room, and the maintenance is also simple, which reduces our after-sales workload."
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Overseas Vessel Fleet Manager Carlos (Southeast Asia)
"We purchased 10 sets of CM6D28C
series engines for our coastal fishing boat fleet. The engine has strong corrosion resistance and has been used in the marine environment for half a year without any faults. The fuel efficiency is also very outstanding, which is in line with our cost control requirements. The CCS and IMO certifications also let us pass the local marine inspection smoothly."
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Q: What is the recommended maintenance cycle for the CM6D28C series engines in marine operations?
A: Under standard operating conditions, it is recommended to replace the engine oil and filter element every 200 operating hours; conduct a comprehensive inspection of the engine (including turbocharger, cooling system, fuel system, etc.) every 800 operating hours. For vessels operating in harsh conditions such as high temperature and high salt, the maintenance cycle should be shortened by 20% appropriately.
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Q: Can the CM6D28C series engines be adapted to non-standard marine gearboxes?
A: Yes. The engine's power output interface adopts a universal design. We can provide customized adapter flanges according to the parameters of the user's gearbox. Our technical team can also provide on-site guidance for installation and commissioning to ensure the perfect matching of the engine and gearbox.
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Q: What is the warranty period for the CM6D28C series engines?
A: The whole machine is guaranteed for 18 months or 2000 operating hours (whichever comes first). The core components such as cylinder block, crankshaft and turbocharger are guaranteed for 24 months or 3000 operating hours. During the warranty period, non-human-caused faults can enjoy free repair or replacement of parts.
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Q: How to solve the problem of difficult start-up of the engine in low-temperature environments?
A: For low-temperature working conditions below 0℃, it is recommended to use low-temperature resistant diesel oil and antifreeze coolant; at the same time, we can provide optional preheating devices for the engine, which can preheat the cylinder and oil, effectively improving the start-up performance of the engine in low-temperature environments.
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Q: Does the CM6D28C series engine support remote monitoring of operating parameters?
A: Yes. The engine can be equipped with an optional intelligent monitoring system, which can remotely transmit operating parameters such as speed, oil pressure, water temperature and fuel consumption to the shore-based control center or the vessel's bridge. It can also send early warning information in time when abnormal parameters are detected, realizing intelligent management of the engine.
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