pump :Horizontal gear driving Plunger:1piece(two-way operation) Dia of plunger:16mm/18mm Stroke:8mm Spray capcity:7/8L Pressure:13-20kg/cm Tank capacity:0.9L N.W:9.8kg L*W*H:41X35.5X65 Engine:2 stroke,air cooled,piston type piston Horsepower:1.3/1.4HP Diaplacement:22.6/25.6cc Volume of oil barrel:25L Mixing ratio of fuel:25:1