Diesel Engine is the one of the most Internal Combustion Engines, where it is used for many purposes. It can be utilized as a prime mover for any of Rotating Equipment Machinery such as Pumps, Compressors and Fans, in addition to its use for all Power Plants as Black Start Units.Diesel Engine is the one of the most Internal Combustion Engines, where it is used for many purposes. It can be utilized as a prime mover for any of Rotating Equipment Machinery such as Pumps, Compressors and Fans, in addition to its use for all Power Plants as Black Start Units.This course is intended to provide an overview of the most important components of Diesel Engine and the function of each, as well as auxiliary system such as lubrication system, cooling system and different methods used for start-up of Diesel Engine. Also, on this course will explain how to utilize the Diesel Engine as a prime mover of rotating machinery or to Generate Power. Moreover, will cover all aspects of a modern Diesel Engine and associated systems. Descriptions of the Electrical systems associated with a Diesel Engine are then covered in detail including Generator Operations, Generator components, excitation systems and voltage regulation.