Pressure Washer Hot Water Narrow Frame Diesel Engine features a compact space saving design. These models feature the narrowest frame on the market allowing you space savings for trailer and van mounting amplifications, and the portable version gives you the ability to maneuver a large diesel engine drive easily. 7407DNL features an 18” diameter schedule 80 coil and is powered by a Kubota D902 diesel engine, all you need is water and you can clean anywhere. Hot water pressure washers from Alkota feature our industry leading hydro insulated coil. The hydro insulated coil provides user safety and well as money saving performance. Alkota hot water power washers protect you with a 7-year coil warranty and Soft Damping System for protection and long life of coil, pump and high pressure components. Diesel engine power 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.