Main engine is the heart of the vessel, which provide all the power for the vessel, even the propulsion of propeller moving the ship. Main engine is important, it is necessary to understand the main engine operation, as well as how to operate professionally, increase the efficiency and partly increase the life of main engine and relevant equipment. To overhaul, recondition, compulsory that the worker shall be understand the main engine and what have to do to complete the job. 

* A generator engine overhaul is a comprehensive service that restores the generator to a like-new condition. It involves cleaning, inspecting, and replacing worn or damaged components, extending the generator's lifespan and improving efficiency. Overhauls can range from minor maintenance to complete disassembly and reassembly, depending on the extent of the issue.

Diesel powered generators are known for their fuel efficiency, reliability and long life-span. However, that does not mean they do not experience problems starting and running. One problem is the potential for overheating. Overheating can be caused by a low level of coolant, improper use, or a problem with the generator.