... farm, gas form coal mine bed, land fill, oil well, coking plant 2.save fuel,high efficency,reliable ... DC, 24V cooling method—close-loop water coolinglubricating typeLpres.lubrication & splash lubricationoil make—SG10W-40maintenance every 400hrs.Alternatormanufacturing ... parameters3.With complete protection function: high water temperature, low oil pressure, over-speed, emergency shutdown and etc.4. ...