Certification: GB/T19001-2008 ISO9001-2008 1500rpm, four strokes, inline. Fan and water tank cooling ... stock after prepaid and 30 days without stockSpecifications1)High efficency 2)OEM offered ,CE& ISO9001:2008 3)Competitive price 4)Global warranty 5)Safe ... load , 110% load and all protection function (over speed stop, high water temperature, low oil pressure, battery charging fail, emergency stop ...