Super Skid HSS series pressure washers pump between 4.8 and 9.5 gpm. Four models make up this range of diesel-powered hot-water washers, producing between 2,500 and 3,200 psi of water pressure. Rated for continuous use, they can be installed on a truck bed or trailer for use with a water tank. Lombardini engines have electric start and a ¾-inch schedule 80 heating coil. All units have a 2,000-watt generator. The belt-drive pump comes with a 7-year warranty.