This powerful SIMPSON® hot water mobile pressure washing system will handle all your commercial jobs. It is perfectly suited for contract cleaners, mobile detailers, municipalities, and resorts. The trailer is dot certified as an over-the-road pressure washer system. Job-Site set-up is a snap. Pull up to the work area, connect the spray gun, start the engine, and begin cleaning. Equipped with a 49-state compliant HONDA® engine with an electric start and reliable COMET triplex pump.