YDL-4 is a Hand push Airless cold paint Road Marking Machine with single pump and single high-pressure airless spray gun. Engine is Japanese Honda 5.5HP gasoline engine with Deceleration, automatic clutch and stable pressure. This machine marks clear lines, and the line width can be adjusted from 50-200mm. the spray gun is movable, it can be take down, if needed, if can be hand held to spray paints. YDL-4 is smart and easy to use and maintain, it works effectively but cheap with good quality. Specifications: Engine Honda 5.5HP gasoline engine Paint pump working pressure 10-12Mpa Spray width 50-200mm Line thickness 0.3-0.4mm Paint viscosity 70-80s Line marking speed Medium-speed walking Broken line control manual control