... famous brand Alternator: Stamford, Leroy Somer, Marathon Self-Starting Diesel Sound Proof Generator (Sound Proof Serials)Basic Info. ... Method: Water CoolingStroke: Four StrokeInstallation Method: FixedType: Self-Starting Diesel GeneratorRated Voltage: 400/230, 380/220, 220/110Speed ... 25 to 1, 500kVA) Cooling method: Closed water cooling Starting method: Electric-start /Mechanical Spin-on full flow lube ...