When you need a power washer that delivers top performance and can stand up to daily use, choose the STIHL RB 400 DIRT BOSS® pressure washer. It features a powerful 196 cc (6.5 hp) engine that can output 2,700 psi of water pressure at 2.7 gallons per minute. It also features the durability STIHL 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. With its 25' 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 STIHL cleaning agents. When you need to demolish dirt on a daily basis, the DIRT BOSS® handles the pressure with ease.

Anti-Vibration System: This pressure washer features a STIHL-engineered four-point vibration isolation system. This reduces pump vibration during use for increased unit longevity.
Automatic Fuel Shut-Off Valve: This pressure washer features a combined on/off and fuel valve control. This allows the user to shut unit off and close fuel valve automatically for easy, no-mess transport.
Cast-Iron Liner: The high-quality cast-iron liner enhances durability and prolongs longevity, making sure the product is built to last.
Durable Design: Durable design built with high-quality components.
Easy Start Pump System: The Easy Start Pump System features a pressure relief valve, allowing users to start the unit without any back pressure from the pump. It enables quick, easy starting with no hard cord pulls.
Easy-Access Inlet & Outlet Water Connections: Both inlet (water coming into the pump) and outlet (water going from the pump to the gun) connections are easy to access for faster setup.
Stainless Steel High Pressure & Brass Detergent Nozzles: This pressure washer includes stainless steel nozzles for use with high-pressure water and a brass nozzle for use with detergent. These premium nozzles are designed to resist corrosion and wear.
Two-Piece Lance & Gun Assembly: This pressure washer features an easy, convenient two-piece lance and gun assembly. The lance design is also extended for better accuracy in tall applications.

The pictures shown are sample photos. The actual appearance of the equipment features and their specific attachment to the product may differ from the pictorial representations, but will have the same functionality.

Improper use of any power tool may cause serious or fatal injury. Read, understand, and follow carefully the operating and safety instructions in your instruction manual before using such products. STIHL products sold through U.S. STIHL Dealers are for distribution in the United States only.

Note: STIHL recommends use of fuel with no more than 10% Ethanol content. Using fuel with greater than 10% Ethanol content may cause damage to your equipment.

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