Stihl RB400 Dirt Boss Pressure Washer

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With an operating pressure of 2,700 the RB 400 Dirt Boss® is great for use around a larger property or small farm. This unit comes with 1 1/4" welded steel tube frame, 10" pneumatic wheels and a brass manifold. Like the other RB units, this unit features a folding handle design for a space saving storage solution. Comes with a 25 ft. wire braided pressure hose.

Technical data

Technical data Value
Maximum Pressure (psi) 2,700
Displacement (cc) 196
Flow Rate l/min 10.3
High Pressure Hose - Nylon Braided (ft) 25
Nozzles Angle (degrees) 15 / 25 / 40 / 65
Machine Weight (lbs / kg) 90 / 41
Sound Pressure Level (dB(A)) 103.2
Power Consumption (kW) 4.8



  • Comfortable holders to store the high pressure nozzles and high pressure hose.
  • Engine can be started without releasing the pressure from the pump, hose and gun.
  • Comfortable holder and parking position for the high pressure gun.
  • Detergent intake to suck detergent from any external reservoir.
  • Foldable handlebar for compact storage or transport.


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