... 400KWYC6T660L-D20/441KWGF/GFS-500KW/625KVAYHG-500KWYC6C900L-D20/600KWFeatures: Low cost, high efficiency, compact structure, environment friendly. Heavy ... Electric start Alternator: *Brushless, four-pole revolving field, single bearing and drop proof screen protected. *Class H insulation ... to extreme condition. *emergency,over speed,low speed,high water temp,low oil pre,over crank,pre-warning system ...