... 5.619 : 1Fluid EndPlunger diameter: 3 3/4’’(95.25mm); 4’’(101.6mm); 4 1/2’’(114.3mm); 5’’(127mm)Performance data ... Kg/cm2)GPM(LPM)PSI(Kg/cm2)3 3/4’’(95.25)115(435)10,500(738)172(651)8 ... 870)6,034(424)287(1086)4,830(339)344(1302)4,032(283)4’’(101.6)131(495)9,420 ... 500(527)248(938)5,598(393)330(1249)4,192(294)413(1563)3,350(235)496(1877 ... 5’’(127)204(772)6,000(421)306(1158)4,525(318)408(1544)3,394(238)510(1930 ...