Power Sprayer is used for agriculture, farming, cleaning, cooling, etc.... Connecting with Gasoline engine,electric motor,etc. Model:RS-30DPistons*Diamete*Storke:3*30*20Rotate speed(R.P.M):800-1000Sunction capacity(L/min):30-40Work pressure(Mpa):2.0-4.5Requie power(kw):2.2-3.0Dimension(mm):400L*310W*340HNet weight(kgs):11.5tough plunger without adding butter. RS-30D Type 3-cylinder plunger pump