Super Max 8750 ASTPrice excludes freight. The Super Max 8750 AST is a portable, industrial, electric cold water pressure washer that features the world's only, Daimer exclusive AST (Automatic Shutoff Technology). When engaged, this highly beneficial function extends the life of this portable cold water pressure washer by reducing the wear and tear on the pump and other components. The Super Max 8750 AST is powered by a 10 HP NEMA engine, providing this cold water