... 3L/MIN maximum working pressure:21Mpa power source:honda gasoline engine dynamic power:4500W motor speed:3600 gasoline engine piston ... /MIN3.maximum working pressure:21Mpa4.power source:honda gasoline engine5.dynamic power:4500W6.motor speed:36007.performance benefits:engine ... Transformer, Link, Carbon Brush, SCR, Pump, Motor, Pump Rod, Compression Nut, Hexagon Clamping Nut, Power Rollers and so on.