The Simoniz Big Rig Heavy Duty Truck Wash ensures you are Ready for the Road Ahead , being a slightly caustic and free-rinsing pressure wash cleaning liquid for your multiple applications, including construction equipment, as well as oil and refuse trucks. Successfully rid your rig of film build up, grease, and diesel smoke with this truck wash cleaner that will restore your semi truck’s tractor and trailer to its shiny appearance. FleetPride is your First Click in Heavy Duty .