The Simpson Aluminum Commercial Power Washer series is designed for mobility, efficiency, durability at a reasonable price. It is perfect for contractors who specialize in professional cleaning services like wood restoration, graffiti removal, equipment cleaning and maintenance, paint preparation, transportation cleaning and other cleaning and maintenance activities. This Simpson pressure washer series is equipped with an exceptionally efficient engine that is designed for optimum performance and can withstand tough environments.
The Simpson Aluminum series includes a triplex pump that allows very high pressure while giving smoother fluid flow. Its high-pressure hoses are non-marring and abrasion resistant which is built for exceptional strength and long-life. This pressure washer also comes with quick-connect spray wands and nozzles that allow the user to operate with ease.
Having a welded aluminum frame, the engine is secured and protected. The Aluminum series is a direct drive power washer which provides more reliability and efficiency. Its large pneumatic tires allow easy transport across most any surface. It also features an on-board accessory storage for power washer accessories.
Configuration Options
The Simpson Aluminum Commercial Power Washer series offers seven different engines with varying features. It also has four different operating PSI's catering to every need. Select your preference from the drop-down menu above.
- 60735: Simpson ALH3228-S Aluminum Commercial Power Washer with Honda GX200
The Honda GX200 is powered by an air-cooled, four-stroke Overhead Valve (OHV) engine. It runs with a displacement of 196cc and a net power output of 5.5 horsepower at 3,600 revolutions per minute. It runs with Unleaded engine oil.
- 60736: Simpson ALH3835 Aluminum Commercial Power Washer with Honda GX270
The Honda GX270 runs with the same OHV engine and has a higher displacement of 270cc which is higher than the Honda GX200 engine. It also has a net power output of 8.5 horsepower at 3,600 revolutions per minute. It has a Digital CDI Ignition System with variable timing that allows optimal ignition timing based on engine speed. It also runs with Unleaded engine oil.
- 60688: Simpson ALH4240 Aluminum Commercial Power Washer with Honda GX390
The Honda GX390 also runs with an air-cooled four-stroke Overhead Valve (OHV) engine. Among all Honda engines, the Honda GX390 runs the highest displacement of 389cc and a higher net power output of 11.7 horsepower at 3,600 revolutions per minute. It also uses Unleaded engine oil like the other Honda engines.
- 60820: Simpson ALK3228-S Aluminum Commercial Power Washer with Kohler CH270
The Kohler CH270 runs with a four-cycle Overhead Valve (OHV) engine. It has a displacement of 208cc and a net power output of 7 horsepower. Unlike Honda engines, the Kohler CH270 uses gasoline.
- 60821: Simpson ALK4033 Aluminum Commercial Power Washer with Kohler CH395
Like the Kohler CH270, the Kohler CH395 runs with a four-cycle Overhead Valve (OHV) engine and also uses gasoline oil. Although, it has a higher displacement of 277cc and a higher net power output 9.5 horsepower.
- 60822: Simpson ALK4240 Aluminum Commercial Power Washer with Kohler CH440
Operated by a four-cycle Overhead Valve (OHV) engine, the Kohler CH440 has the highest displacement and net power among all the mentioned engines. It runs with a displacement of 429cc and a net power output of 14 horsepower. It also uses gasoline.
- 60686: Simpson ALH3225-S Aluminum Commercial Power Washer with Kohler SH265
Like all Kohler engines, the Kohler SH265 is powered by a four-cycle Overhead Valve (OHV) engine and uses gasoline. It has a displacement of 196cc same as the Honda GX200. Among all Kohler engines, it has the least net power output of 6.5 horsepower.
| Model |  ALH3228-S |  ALH3835 |  ALH4240 |  ALK3228-S |  ALK4033 |  ALK4240 |  ALH3225-S |
PSI
|
3,200
|
3,800
|
4,200
|
3,200
|
4,000
|
4,200
|
3,200
|
Cleaning Units/Hour
|
8,960
|
13,300
|
16,800
|
8,960
|
13,200
|
16,800
|
8,000
|
Gallons/Minute
|
2.8
|
3.5
|
4.0
|
2.8
|
3.3
|
4.0
|
2.5
|
Engine
|
Honda GX200
|
Honda GX270
|
Honda GX390
|
Kohler CH270
|
Kohler CH395
|
Kohler
CH440
|
Kohler
SH265
|
Pump
|
CAT
|
CAT
|
CAT
|
CAT
|
CAT
|
CAT
|
AAA
|
Hose
|
25 feet
|
50 feet
|
50 feet
|
25 feet
|
50 feet
|
50 feet
|
25 feet
|
Engine Warranty
|
3 years
|
3 years
|
3 years
|
3 years
|
3 years
|
3 years
|
2 years
|
Pump Warranty
|
2 years
|
5 years
|
2 years
|
2 years
|
5 years
|
2 years
|
5 years
|
Digital CDI Ignition System with Variable Timing
|
None
|
Yes
|
Yes
|
None
|
None
|
None
|
None
|
Quad-Clean Air filter
|
None
|
None
|
None
|
Yes
|
Yes
|
None
|
None
|