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.
Maximum Pressure (psi)
Flow Rate l/min
High Pressure Hose - Nylon Braided (ft)
Nozzles Angle (degrees)
15 / 25 / 40 / 65
Machine Weight (lbs / kg)
90 / 41
Sound Pressure Level (dB(A))
Power Consumption (kW)
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.
Please note product images, specs and other information provided may change at any time without notice and may not reflect the units in stock at dealer location. We pride ourselves on working with companies who are constantly researching and developing better products and as such specs may change with little or no notice.