Cold water pressure washers -The Alkota 557S cold water pressure washers is a portable cold water power washer. These power washers are designed for industrial usage, but can be used in any application. Powered by a diesel engine and belt driven pump system, these features will deliver you results with quiet operation and low vibration. These models feature a welded heavy duty roll cage frame with lifting hook. The Alkota S series have been an industry leader with proven long lasting success. If you are looking for the best portable cold water pressure washer, no need to go any farther. Cold water pressure washer models provide you a FREE: industrial hose with a swivel end and bend restrictor, professional-grade insulated trigger gun with safety lock, insulated wand for user safety, and quick connect nozzle. Along with all that Alkota provides a winterizing valve to help you protect your investment against freezing. With the support of your local Alkota dealer we can find the correct solution for you.