The pressure washer will have a four stroke engine. The recommended gasoline will be an octane rating of 87 (R+M)/2 or higher.
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Stihl Dirt Boss Gas-Powered Cold Water Pressure Washer, 2700 PSI, 2.7 GPM, Kohler Engine, Model# RB 400

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- Powerful 6.5HP, 196cc engine can output up to 2700 PSI of water pressure at 2.7 GPM
- Easy Start Pump System features a pressure relief valve, allowing users to start the unit without any back pressure from the pump
- Quick, easy starting with no hard cord pulls
- Brass manifold pump design, stainless steel valves and ceramic- coated pistons for exceptional, long-lasting performance
- Comes standard with a detergent injector system, so you can easily add detergents to the washer for efficient cleaning
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
This item may be purchased at select Northern Tool stores. Not available for online order at NorthernTool.com.
What's Included
- (1) Pressure washer (1) 25ft. flex hose
Features + Benefits
- Powerful 6.5HP, 196cc engine can output up to 2700 PSI of water pressure at 2.7 GPM
- Easy Start Pump System features a pressure relief valve, allowing users to start the unit without any back pressure from the pump
- Quick, easy starting with no hard cord pulls
- Brass manifold pump design, stainless steel valves and ceramic- coated pistons for exceptional, long-lasting performance
- Comes standard with a detergent injector system, so you can easily add detergents to the washer for efficient cleaning
- 4-point vibration isolation system reduces pump vibration during use for increased unit longevity
- 2-piece lance and gun assembly features reverse trigger pull for easy operation and extended length for better accuracy in tall applications
- Low oil shutdown is built in for engine protection
- On/off and fuel valve control allows the user to shut unit off and close fuel valve automatically for easy, no-mess transport
- 1 1/4in. dia. powder-coated steel tube frame with fold-down handle
- 25ft. no-kink flex hose allows you to reach more area without having to move the machine
- Easy-access inlet and outlet water connections
- Includes premium corrosion- and wear-resistant stainless steel nozzles for use with high-pressure water and a brass nozzle for use with detergent
Key Specs
| Attribute | Specification |
|---|---|
item# | 638631 |
Brand | Stihl |
Manufacturer's Warranty | 24 months parts/24months labor |
Ship Weight | 90.0 LB |
Pressure | 2,700 PSI |
Flow | 2.7 GPM |
Engine Brand | Kohler |
Engine Model | 400 |
Engine Displacement | 196 cc |
Fuel Type | Gasoline |
Pump | Brass manifold |
Drive Style | Direct |
CARB Compliant | No |
Number of Tips Included | 4 |
| Attribute | Specification |
|---|---|
Adjustable Pressure | Yes |
Start Type | Pull |
Engine Oil Included | Yes |
Engine Oil Type | 10w 30 |
Fuel Capacity | 1 Gal |
Chemical Injector | Yes |
Hose Length | 25 ft |
Nozzle Type | Brass |
Quick Connect Nozzle | Yes |
Pump Oil Included | Yes |
Low Oil Shutdown | Yes |
Thermal Protector | Yes |
Product Weight | 90 lb |
Reviews
Questions & Answers
Questions
-
· 5 years ago
What gas does it take can’t find our manual
1 answer-
ProductExpert11· 5 years ago
Helpful?
-
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· 6 years ago
Is this suitable for paint stripping?
I see mixed information about power washer psi and gpm that is required for paint stripping, so I really do not know what the truth is in this matter.
1 answer-
ProductExpert11· 6 years ago
A pressure washer from 2,500 to 4,000 PSI is most effective for removing paint from a surface.
Helpful?
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Warranty
Manufacturer's Warranty
24 months parts/24months labor
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Specifications
2,700 PSI
3,100 PSI
3,300 PSI
3,200 PSI
2.7 GPM
2.5 GPM
2.6 GPM
2.5 GPM
Kohler
Kohler
Kohler
Briggs & Stratton
400
Command Pro CH255
SH265
CR950
196 cc
177 cc
196 cc
208 cc
Gasoline
Gasoline
Gasoline
Gasoline
Brass manifold
Comet DWD
Direct Drive Axial Cam
Axial Cam
Direct
Direct
Direct
Direct
No
-
-
Yes
4
4
4
4
Yes
Yes
No
No
Pull
Recoil
Recoil
Recoil
Yes
No
No
No
10w 30
SAE 30
10w-30
5w-30
1 Gal
0.78 Gal
0.95 Gal
0.8 Gal
Yes
Yes
Yes
Yes
25 ft
50 ft
25 ft
25 ft
Brass
Quick-connect
Quick Connect
15°, 25°, 40° and Chemical
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
90 lb
95.0000 lb
80.0000 lb
70.0000 lb
-
8.3 ft-lbs.
10.2 ft-lbs.
9.5 ft-lbs.
-
140 °F
140 °F
140 °F
-
3
3
3
-
3/8 in
-
-
-
10 in
10 in
10 in
-
40.25 x 26.0 x 23.75 in
29.25 x 19.75 x 20.75 in
29.25 x 19.75 x 20.75 in
-
-
140 °F
-
See All Gas-Cold Water Pressure Washers
See All Stihl Gas-Cold Water Pressure Washers
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Stihl Dirt Boss Gas-Powered Cold Water Pressure Washer, 2700 PSI, 2.7 GPM, Kohler Engine, Model# RB 400
Item # 638631
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