United Rentals offers trailer-mounted pressure washers that are durable, reliable and easy to use. They have reliable gas engines with EPA-certified emissions rating, a durable high-pressure pump, reinforced all-steel frames and chassis. This pressure washer has an ETL-certification to rigid pressure washing safety standards, chrome handles on cold water models and heating coil made of cold-rolled steel pipe. This industrial pressure washer has an automatic detergent injection and tubed pneumatic tires.