Description

RB 400 DIRT BOSS®

A premium pressure washer that combines excellent performance with durable build quality for long-lasting value.

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. And 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.

RB 400 DIRT BOSS® Specifications – Mid-Range Use
DISPLACEMENT 196 cc 12.0 cu. in.)
ENGINE POWER 4.8 kW (6.5 hp)
FUEL CAPACITY 3.6 L (3.8 qt.)
HOSE LENGTH 25′
WATER FLOW 620 L/h (2.7 gpm)
WATER PRESSURE 2,700 psi
CLEANING UNITS 7,290
WEIGHT 40.8 kg (90 lbs)
DIMENSIONS HANDLE DOWN 724 x 699 x 654 mm (28.5 x 27.5 x 25.75″)
DIMENSIONS HANDLE UP 724 x 699 x 1003 mm (28.5 x 27.5 x 39.5″)

Model Features

  • 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.