1.Max.liner size x stroke: 170/180 x 191/356 2.Power Rating up to 1640Kw / 2200 Hp F-500, F-800 and F-1000 muc pumps were designed and manufactured under authorization by LTV Co. of U.S.AF-1300, F-1600, F-1600HL, F-2200 and F-2200HL mud pumps meet for high pump pressure and large displacement in oilfields. F-series mud pumps