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 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.

SKU Description Price
RB400 2700 psi Pressure Washer $799.95

Prices and specs subject to change without notice. Product Special prices are while quantities last.


Displacement196 cc 12.0 cu. in.)
Fuel Capacity3.6 L (3.8 qt.)
Hose Length25'
Water Flow620 L/h (2.7 gpm)
Water Pressure2,700 psi
Cleaning Units7,290
Weight41 kg (90 lbs)
Dimensions Handle Down724 x 699 x 654 mm (28.5 x 27.5 x 25.75")
Dimensions Handle Up724 x 699 x 1003 mm (28.5 x 27.5 x 39.5")