The SIMPSON ALH3228-S Aluminum Series pressure washer is a professional-grade gas-powered cleaning machine designed for demanding residential, commercial, and contractor applications. Delivering 3400 PSI at 2.5 GPM, it provides the high-pressure performance needed to tackle stubborn dirt, grime, mildew, oil, and buildup from a wide range of outdoor surfaces. It is especially suitable for driveways, decks, siding, vehicles, equipment, parking areas, garages, and concrete surfaces.

Powered by a dependable Honda GX200 196cc engine, the unit features low-oil shutdown protection for added engine safety and reliable operation. The CAT industrial triplex plunger pump is built for professional cleaning applications and includes an integrated unloader for pressure management. The aircraft-grade aluminum frame offers a strong combination of durability, corrosion resistance, and reduced weight compared with traditional steel-frame pressure washers. Large 10-inch pneumatic tires provide smooth maneuverability across uneven outdoor terrain, making transportation around jobsites easier. A 25-foot Monster high-pressure hose provides useful working range while its construction is designed to resist kinking and abrasion. The package also includes an ergonomic spray gun, steel wand, and five quick-connect nozzles—0°, 15°, 25°, 40°, and soap—allowing you to select the appropriate spray pattern for different cleaning tasks. With its professional engine, industrial pump, durable aluminum frame, versatile nozzle selection, and all-terrain wheels, the SIMPSON ALH3228-S is an excellent choice for users who need powerful and dependable cold-water pressure washing performance.