1) Air-cooled engine: a) Compact construction and convenient maintenance b) Wide environmental adaptability and usage c) Low vibration and low noise, good start-up capability d) Low pollution or harmful emission e) The construction of separate cylinder and cylinder head improves interchangeability 2) Alternator: a) Optional permanent magnet generator (PMG) system provides constant excitation under all conditions b) Easily paralleling with main sets or other generators, standard 2/3 pitch winding avoids excessive neutral current c) Dynamically balanced rotors with sealed ball bearings and single construction d) Class H insulation system e) A wide range of flange adapters and disc couplings f)Conforms to all leading industrial and marine standards