... DC electric starting6) low fuel cnsumption,low noise,small volume,light weight7) 3 filter( air cleaner,fuel cleaner,oil cleaner),quality ... voltage regulating3) Insulation degree: H degree4 Protect class: IP21-IP234) power factor:3 phase 4 wire5) Motor: brushless6) Rated voltage:400V ... hours, whichever comes first. After expiration,Provides cost maintenance. different new brand diesel engine power plant