Auxiliary Engine (Generator Set) · Auxiliary Engines
The MAN 9L28/32H-GS-60Hz is a 9-cylinder, in-line, four-stroke medium-speed GenSet engine of the MAN L28/32H series (bore 280 mm, stroke 320 mm, swept volume 19.7 l per cylinder). According to the manufacturer's project guide it is rated at 1890 kW at 720 rpm (210 kW per cylinder) for 60 Hz GenSets. Marine diesel engines like the 9L28/32H-GS-60Hz are commonly used in large ships such as container vessels, cruise liners, and tankers, where they provide reliable power for propulsion and electrical generation. The engine is designed with a constant pressure turbocharging system featuring intercooling, which helps in maintaining optimal performance even under varying load conditions. It adheres to IMO Tier II emissions standards, with newer variants meeting Tier III requirements. Common maintenance issues include charge air cooler fouling from oil and water deposits, exhaust valve erosion from heavy fuel oil, and cooling system corrosion from saltwater. Regular inspections, such as monitoring charge air temperatures and checking exhaust valve seats, are essential to ensure the engine operates efficiently and reliably.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
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