The MAN B&W 7L80MCE is a large, low-speed, two-stroke diesel engine primarily designed for marine propulsion. Known for its robust construction and efficient performance, this engine series is widely used in merchant shipping vessels. The “7L” designation indicates it has seven cylinders arranged in-line, while “80” refers to the bore size in centimetres, representing a powerful and reliable engine model with modern electronic control capabilities for optimised fuel consumption and emissions control.
This engine finds its primary applications in large container ships, bulk carriers, and tankers where reliable, continuous operation is essential. Its design offers the adaptability to meet stringent environmental regulations, making it a popular choice for new builds as well as major retrofits in the marine industry. The 7L80MCE is ideally suited for vessels requiring a durable and efficient main propulsion engine with excellent fuel economy.
Cooling the MAN B&W 7L80MCE engine involves a seawater cooling system combined with freshwater cooling circuits for critical components. The engine utilises a jacket water system to maintain optimal operating temperatures, ensuring longevity and consistent performance even under heavy loads. Proper maintenance of the cooling system is paramount to prevent overheating and related mechanical issues.
- Freshwater jackets
- Seawater coolers
- Oil coolers
- Charge air cooler
- Aftercoolers
| Spec | Data |
|---|---|
| Make: | MAN B&W |
| Model: | 7L80MCE |
| Builder: | Unknown |
| Cylinders: | 7 |
| Bore/Stroke: | 800 mm / – |