RB 400 Dirt Boss®

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.

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.

2-Piece Lance & Gun Assembly
This pressure washer features an easy, convenient 2-piece lance and gun assembly. The lance design is also extended for better accuracy in tall applications.

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

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.

Anti-Vibration System
This pressure washer features a STIHL-engineered 4-point vibration isolation system. This reduces pump vibration during use for increased unit longevity.