The MAN B&W 12K90MC-S is a large two-stroke marine diesel engine renowned for its robust performance and durability in the demanding environment of commercial shipping. Designed with advanced technology, this engine delivers high fuel efficiency and reliability, making it a preferred choice for powering large vessels. The “K90” in the model refers to the bore diameter of 900 mm, emphasising its substantial size and power output capabilities.
This engine model is predominantly used in main propulsion systems on large container ships, bulk carriers, and oil tankers. Its ability to provide continuous power over long voyages makes it ideal for deep-sea shipping operations where dependable propulsion is critical. Additionally, it is employed in some stationary power generation applications in marine and offshore settings.
Cooling for the MAN B&W 12K90MC-S is critically important due to its high power output and large cylinder size. Typically, the engine utilises a freshwater cooling system that circulates water through cylinder liners and pistons to maintain optimal operating temperatures. Efficient cooling ensures long engine life and helps prevent overheating under heavy load conditions.
- Freshwater jacket coolers
- Aftercoolers (charge air coolers)
- Exhaust gas coolers
- Turbocharger intercoolers
| Make: | MAN B&W |
| Model: | 12K90MC-S |
| Builder: | Unknown |
| Cylinders: | 12 |
| Bore/Stroke: | 900 mm bore / Unknown stroke |