Pressure Washer Trailer Cold Water - Alkota has been manufacturing industrial mobile cleaning systems since 2001. The trailer mounted mobile detailing system is designed to accommodate the Mobile Wash System. Mobile cleaning systems provides a powder coated welded tubular frame construction for maximum strength. DOT approved running lights. All wiring is routed through the trailer frame to eliminate damage. This trailer package is completely self-contained with a 100-gallon water tank, trailer mounted power washer, and hose reel. You can pick from the 3 mobile wash models that are available or your Alkota distributor will custom fit your pressure washer to meet your needs.