When you need a power washer that delivers top performance and can stand-up to daily use, choose the still RB 400 dirt BOSS® pressure washer. It features a powerful 196 cc (6.5 hp) engine that can output 2700 psi of water pressure at 2.7 gpm. It also features the durability still products are known for, with a brass manifold pump design, stainless steel valves and ceramic-coated pistons. There is also a cast iron engine liner and a built-in shutdown feature when the oil level is low. The RB 400 dirt BOSS® also features an easy start pump system and convenient detergent injector system. And with its 25 ft no-kink flex hose, you can clean more area without having to move the machine. Finally, the pressure washer uses a wide range of optional cleaning accessories, including rotary surface cleaner, water broom, nozzle options, hose extensions, a gutter cleaner, aluminum wand extension, pivot coupler and official still cleaning agents. When you need to demolish dirt on a daily basis, the dirt BOSS® handles the pressure with ease.