The Simpson PS4240 is built for serious professionals who need maximum performance and durability. Powered by a Honda GX390 commercial-grade engine, this unit delivers 4,200 PSI at 4.0 GPM to tackle industrial cleaning jobs with ease. Its AAA triplex pump with a brass head ensures reliability and long service life, while the steel 13.25" frame and 13" pneumatic tires provide stability and mobility on rough terrain. The PS4240 includes a 50' Monster hose, professional spray gun, 31" wand, and five stainless steel quick-connect nozzles, offering versatility for a wide range of cleaning tasks. Product Information: Dimensions: Engine and Motor SpecifiCations: