Pressure washer and lawnmower power full engine

I used this engine for pressure washer it was really good 3000 psi and 2.5 gpm i took it off from my lawm mower made it pressure washer No any issues or leak every year beforehand using it oil and filter changed In the last picture i put this pump on it 3000 psi 2.5 gpm but it doesnt come with it