... 2)50/60hz,400V,Class H,IP23 2)famous engine and alternator:Wudong,Leroysomer,etc open diesel electric generator Output power ... 380V,120/220V,240/415/V, etc.3) Engine models: 4135 WD series4) Alternator: Stamford, Marathon, Leroy Somer are optional.5) ... , optional manual and documents.2) Optional accessories: oil heater, alternator space heater, communication interface, battery charger, daily fuel tank, ...