This unit can be used to wash heavy equipment, buildings, & marine equipment as well as clean culverts and sewer drains. It is a high pressure washer, gas engine driven, with 1100 gallons of water holding capacity. Ford Industrial V-4 engine Bean FMC pump 200 to 1000 psi  25 to 75 gpm. 250 ft. of 3/4 hose on hydraulic powered reel