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Henderson Mowers & Chainsaws

Stihl RB 400 Dirt Boss Pressure Washer

Brand: STIHL
Product Code: 47900124604
Availability: Instore Sales Only

Electric pressure washers not quiet cutting the mustard for you? Well Stihl has a solution to your woes. They have recently manufactured a range of high powered petrol pressure washers catering for a range of applications. Powered by a 196cc (6.5hp) Kohler engine this pressure washer is desgined to withstand daily use on multiple types of applications putting out a respectable 2,700 psi of water at 2.7 gallons per minute. 

The unit is durable and built to last featuring a brass manifold pump design, stainless steel valves and ceramic-coated pistons. This is supported by the Kohler engine which features a cast-iron cylinder and a built in oil-alert which shuts the engine off when the oil level is low. 

It runs an easy start pump system and covenient detergent injector so you can tackle dirty applications more easily. The hose is high quality and is made from material that prevents it from kinking. 


- Forged bronze head for high resistance to corrosion 

- Stainless steel valves for easy servicing 

- Unloader valve for flow and system pressure control 

- Thermal relief valve designed to protect overheating of pump when trigger gun is released

Stihl RB 400 Dirt Boss Pressure Washer
Stihl RB 400 Dirt Boss Pressure Washer
Stihl RB 400 Dirt Boss Pressure Washer
Stihl Pressure Washer comparison chart
Stihl Pressure Washer yre Comparison Chart
  • Specifications
  • Features
Kohler Dirt Boss (Cast-iron sleeve)
620 L/h
2,700 psi
41 kg
72.4 x 69.9 x 65.4 (cm) - Handles Down
72.4 x 69.9 x 100.3 (cm) - Handles Up
East Start Pump System
This feature calls on a pressure relief valve that allows the operator to pull start the pressure washer easily by removing the back pressure of the pump.
Stainless Steel High Pressure and Brass Detergent Nozzles
The stainless steel nozzles allow you to change the pressure of the petrol unit giving you greater control over how much pressure is applied which is perfect when using it for different applications. Reason being is some jobs are more sensitive to water pressure meaning you can lower the water pressure for that particular job. It also has a brass nozzle for detergent use with both nozzles designed too resist corrosion and wear
2-Piece Lance & Gun Assembly
The 2 piece lance is easily assembled and disassembled for transport or even to put on multiple attachments that you might carry.
Easy-Access Inlet & Outlet Water Connections
The efficient set-up on these pumps means that the inlet where the water enters the pump and the outlet where the water exists for the gun are easy to access so you can manage them easily if need be.
Automatic Fuel Shut-Off Valve
The ability to turn the fuel off is vital in a pressure washer that is being transported around or stored for periods of time. You can easily prevent fuel going to the engine so that it does not flood in between jobs or if storing the pressure washer you can stale fuel from sitting in the carburettor by shutting the fuel off.
Anti-Vibration System
Pressure washers generate a lot of vibration and if they don't have anti vibration mounts to counteract that vibration then the life of the pump is greatly reduced. Stihl pressure washers are fitting with a number of high quality vibration mounts to address this.

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