The soundproof canopy is optional. Features (alternator): 1) Optional permanent magnet generator (PMG) system provides constant excitation under all conditions 2) Easy paralleling with mains or other generators, standard 2/3 pitch winding avoids excessive neutral currents 3) Dynamically balanced rotors with sealed-for life ball bearings and single construction 4) Class "H" insulation system 5) Wide range of flange adapters and disc couplings 6) Conforms to all leading industrial and marine standards