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Product Overview
The CM6D28C series marine engines (including main engine CM6D28C.353 20 and auxiliary engine CM6D28C.350.20) are 6-cylinder in-line diesel models developed by CAMC for marine power scenarios. Featuring water-cooled in-cylinder direct injection + turbocharging technology, they meet the main propulsion or auxiliary power needs of inland and coastal vessels. As professional marine power equipment certified by CCS and IMO, they balance high power output and low fuel consumption, making them a reliable choice for small-to-medium vessel power systems.





Essential Details
| Item | Value |
| Condition | New |
| Engine | 4 Stroke |
| Fuel Type | Diesel |
| Cylinders | 6 |
| Engine Position | Inboard |
| Brand Name | CAMC |
| Model Number | HM13C. 556 20 |
| Place of Origin | China |
| Displacement | 12L |
| Certificate | CCS IMO |
| Bore X Stroke (mm) | 128 x 153 |
| Usage | Fish Ship Etc |
| Cooling System | Water Cooling System |
| WEIGHT | 1265kg |
| Packing | Wooden Case |
| Starting system | Electric Start |
| Aspiration | Turbochared |
| Brand | CAMC |
CM6D28C Technical Data
| Item | CM6D28C.353 20 (Main Engine) | CM6D28C.350.20 (Auxiliary Engine) |
|---|---|---|
| Model | CM6D28C.353 20 | CM6D28C.350.20 |
| Type | Six-cylinder, in-line, water-cooled, In-cylinder direct injection | Six-cylinder, in-line, water-cooled, In-cylinder direct injection |
| Intake way | Turbocharging | Turbocharging |
| One-cylinders-Bore X Stroke (mm) | 6×128×153 | 6×128×153 |
| Displacement (L) | 11.81 | 11.81 |
| Compression ratio | 17±1 | 17±1 |
| Rated power/speed (kW/r/min) | 321/1800 | 318/1500 |
| One-hour power/speed (kW/r/min) | 353/1800 | 350/1500 |
| Minimum specific fuel consumption (g/kw•h) | <190 | <198 |
| Oil fuel consumption ratio (%) | <0.1 | <0.1 |
| Lubricating oil capacity (L) | 37L | 37L |
| The Min steady operation speed (r/min) | 600 | 1500 |
| Crankshaft rotation direction (see from power output oriented) | Anticlockwise | Anticlockwise |
| Startup way | Electrical | Electrical |
| Net Weight (kg) | 1265 | 1265 |
| Overall dimensions (length X width X height) (mm) | 1780×984×1388 | 1780×984×1388 |
| Certificate | CCS, IMO | CCS, IMO |
Key Advantages
Two Models for Versatile Applications
The main engine (321kW/1800r/min) focuses on vessel main propulsion, supporting fully loaded cargo ships and engineering vessels; the auxiliary engine (318kW/1500r/min) adapts to auxiliary power scenarios such as power generation and hydraulic systems. The dual-model combination covers multi-dimensional power needs of vessels.
High Efficiency & Low Operating Costs
The main engine has a minimum fuel consumption rate of <190g/kw•h, and the auxiliary engine <198g/kw•h, paired with an oil-fuel consumption ratio of <0.1%, significantly reducing vessel fuel costs over long-term operation. The 11.81L displacement and turbocharging technology achieve a balance between large displacement and low energy consumption.
Durable & Marine-Ready
Equipped with a water-cooling system and marine-specific materials, it adapts to high-humidity, salt-spray marine conditions; the electrical startup and 600r/min minimum steady speed ensure startup and operation stability in low-temperature, heavy-load scenarios.
Compact Design for Easy Installation & Maintenance
With dimensions of 1780×984×1388mm and a net weight of 1265kg, it fits the engine room space of most small-to-medium vessels; the unified 37L oil capacity and anticlockwise crankshaft rotation simplify maintenance and adaptation for multi-engine parallel setups.
Certifications & Application Scenarios
Certifications: CCS (China Classification Society) and IMO (International Maritime Organization) certified, complying with global mainstream marine power compliance standards.
Application Scenarios
Main Engine: Main propulsion for inland/coastal cargo ships and engineering vessels;
Auxiliary Engine: Auxiliary power for vessel generator sets and hydraulic systems.
Customer Reviews
"I have already collaborated with you several times. This is a very good manufacturer. They responded to all my requests and provided very professional advice. I really like it and will continue to collaborate in the future."
--From an Australian carrier
"The price is affordable, and Jenny is very helpful. I will place another order from them, thank you."
--From Saudi Arabian transporter
FAQ
1.Q: What maintenance frequency is recommended for this engine in marine use?
A: For standard inland/coastal operations, we recommend routine oil/filter changes every 200 operating hours, and a comprehensive inspection (cooling system, supercharger) every 800 operating hours. Adjustments may be needed for extreme working conditions (e.g., frequent heavy loads).
2.Q: Can this engine be retrofitted into older vessels?
A: Yes—its compact inboard layout and modular design are compatible with most existing engine room spaces for older vessels. We suggest confirming the installation dimensions and interface specifications with our technical team before retrofitting.
3.Q: How does the automatic supercharging system perform in low-load conditions?
A: The system automatically reduces boost pressure in low-load scenarios (e.g., light cargo, calm waters) to optimize fuel efficiency while maintaining smooth, stable operation—avoiding unnecessary power waste.
4.Q: Is the engine compatible with low-sulfur diesel (required in emission-controlled areas)?
A: Absolutely. It is designed to run on low-sulfur marine diesel, meeting emission standards for most global coastal emission-controlled zones (ECAs).
Product Overview
The CM6D28C series marine engines (including main engine CM6D28C.353 20 and auxiliary engine CM6D28C.350.20) are 6-cylinder in-line diesel models developed by CAMC for marine power scenarios. Featuring water-cooled in-cylinder direct injection + turbocharging technology, they meet the main propulsion or auxiliary power needs of inland and coastal vessels. As professional marine power equipment certified by CCS and IMO, they balance high power output and low fuel consumption, making them a reliable choice for small-to-medium vessel power systems.





Essential Details
| Item | Value |
| Condition | New |
| Engine | 4 Stroke |
| Fuel Type | Diesel |
| Cylinders | 6 |
| Engine Position | Inboard |
| Brand Name | CAMC |
| Model Number | HM13C. 556 20 |
| Place of Origin | China |
| Displacement | 12L |
| Certificate | CCS IMO |
| Bore X Stroke (mm) | 128 x 153 |
| Usage | Fish Ship Etc |
| Cooling System | Water Cooling System |
| WEIGHT | 1265kg |
| Packing | Wooden Case |
| Starting system | Electric Start |
| Aspiration | Turbochared |
| Brand | CAMC |
CM6D28C Technical Data
| Item | CM6D28C.353 20 (Main Engine) | CM6D28C.350.20 (Auxiliary Engine) |
|---|---|---|
| Model | CM6D28C.353 20 | CM6D28C.350.20 |
| Type | Six-cylinder, in-line, water-cooled, In-cylinder direct injection | Six-cylinder, in-line, water-cooled, In-cylinder direct injection |
| Intake way | Turbocharging | Turbocharging |
| One-cylinders-Bore X Stroke (mm) | 6×128×153 | 6×128×153 |
| Displacement (L) | 11.81 | 11.81 |
| Compression ratio | 17±1 | 17±1 |
| Rated power/speed (kW/r/min) | 321/1800 | 318/1500 |
| One-hour power/speed (kW/r/min) | 353/1800 | 350/1500 |
| Minimum specific fuel consumption (g/kw•h) | <190 | <198 |
| Oil fuel consumption ratio (%) | <0.1 | <0.1 |
| Lubricating oil capacity (L) | 37L | 37L |
| The Min steady operation speed (r/min) | 600 | 1500 |
| Crankshaft rotation direction (see from power output oriented) | Anticlockwise | Anticlockwise |
| Startup way | Electrical | Electrical |
| Net Weight (kg) | 1265 | 1265 |
| Overall dimensions (length X width X height) (mm) | 1780×984×1388 | 1780×984×1388 |
| Certificate | CCS, IMO | CCS, IMO |
Key Advantages
Two Models for Versatile Applications
The main engine (321kW/1800r/min) focuses on vessel main propulsion, supporting fully loaded cargo ships and engineering vessels; the auxiliary engine (318kW/1500r/min) adapts to auxiliary power scenarios such as power generation and hydraulic systems. The dual-model combination covers multi-dimensional power needs of vessels.
High Efficiency & Low Operating Costs
The main engine has a minimum fuel consumption rate of <190g/kw•h, and the auxiliary engine <198g/kw•h, paired with an oil-fuel consumption ratio of <0.1%, significantly reducing vessel fuel costs over long-term operation. The 11.81L displacement and turbocharging technology achieve a balance between large displacement and low energy consumption.
Durable & Marine-Ready
Equipped with a water-cooling system and marine-specific materials, it adapts to high-humidity, salt-spray marine conditions; the electrical startup and 600r/min minimum steady speed ensure startup and operation stability in low-temperature, heavy-load scenarios.
Compact Design for Easy Installation & Maintenance
With dimensions of 1780×984×1388mm and a net weight of 1265kg, it fits the engine room space of most small-to-medium vessels; the unified 37L oil capacity and anticlockwise crankshaft rotation simplify maintenance and adaptation for multi-engine parallel setups.
Certifications & Application Scenarios
Certifications: CCS (China Classification Society) and IMO (International Maritime Organization) certified, complying with global mainstream marine power compliance standards.
Application Scenarios
Main Engine: Main propulsion for inland/coastal cargo ships and engineering vessels;
Auxiliary Engine: Auxiliary power for vessel generator sets and hydraulic systems.
Customer Reviews
"I have already collaborated with you several times. This is a very good manufacturer. They responded to all my requests and provided very professional advice. I really like it and will continue to collaborate in the future."
--From an Australian carrier
"The price is affordable, and Jenny is very helpful. I will place another order from them, thank you."
--From Saudi Arabian transporter
FAQ
1.Q: What maintenance frequency is recommended for this engine in marine use?
A: For standard inland/coastal operations, we recommend routine oil/filter changes every 200 operating hours, and a comprehensive inspection (cooling system, supercharger) every 800 operating hours. Adjustments may be needed for extreme working conditions (e.g., frequent heavy loads).
2.Q: Can this engine be retrofitted into older vessels?
A: Yes—its compact inboard layout and modular design are compatible with most existing engine room spaces for older vessels. We suggest confirming the installation dimensions and interface specifications with our technical team before retrofitting.
3.Q: How does the automatic supercharging system perform in low-load conditions?
A: The system automatically reduces boost pressure in low-load scenarios (e.g., light cargo, calm waters) to optimize fuel efficiency while maintaining smooth, stable operation—avoiding unnecessary power waste.
4.Q: Is the engine compatible with low-sulfur diesel (required in emission-controlled areas)?
A: Absolutely. It is designed to run on low-sulfur marine diesel, meeting emission standards for most global coastal emission-controlled zones (ECAs).