Auxiliary Engine (Generator Set) · Auxiliary Engines
Designed for optimal efficiency and reliability, the 9L32/44CR-GS-50Hz from MAN Energy Solutions features an L-shaped configuration with nine cylinders, each bore measuring 320 mm and stroke at 440 mm. This robust engine delivers a rated power output of 4320 kW at 750 rpm, making it suitable for applications requiring high performance and durability. The genset version provides 4104 kW and 5130 kVA, operating at a frequency of 50 Hz. Fuel versatility is ensured with the engine’s capability to run on heavy fuel oil (HFO), marine diesel oil (MDO), and marine gas oil (DMA/DMZ) up to 700 cSt at 50°C. Common maintenance concerns include turbocharger fouling from carbon deposits, which can be mitigated through regular cleaning every 200-250 operating hours. Another critical area is the cylinder head cover, where gasket wear and misalignment can lead to oil leaks. Inspectors should check for signs of wear and ensure correct installation. The common rail fuel injection system, operating at a high pressure of 1600 bar, requires periodic testing and maintenance to prevent injector wear and leakage. Additionally, attention should be given to connecting rod bearings and cylinder liner wear, which can result from inadequate lubrication and cold corrosion, respectively. Regular inspections and adherence to manufacturer guidelines are essential for maintaining the engine’s performance and longevity.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
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