The Simpson ALH4440-S is a gas-powered pressure washer offering a maximum water pressure of 4400 PSI and flow of 4 GPM. (Read full specs)
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Zoro | Price history for the Simpson ALH4440-S | |
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Since: May 9, 2024 |
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Features and Specifications
| Fuel | Gas-Powered |
|---|---|
| Handling | Hand Truck |
| Water | Cold |
| PSI | 4400 |
| GPM | 4 |
| Cleaning Units | 17600 |
| Engine | 420cc CRX 420 OHV 4-stroke |
| Pump | CAT Triplex |
| Series | Aluminum |
| Other model numbers | 61252 |
| Frame | Aluminum |
|---|---|
| Soap injection | Via siphon hose |
| Nozzles | 0°, 15°, 25°, 40°, Soap |
| Quick connect nozzles | Yes |
| Onboard storage | Yes |
| Hose | 50 ft, ⌀3/8 |
| Hose storage | Hooks |
| Dimensions (L x W x H) | Approx. 38 x 23.5 x 29 in |
|---|---|
| Weight | 133 lbs |
| Wheels | 2 wheels, ⌀13", pneumatic |
| Included accessories | Oil, wand, spray gun, high pressure hose, soap hose, 5 nozzles |
| Security | Low oil, trigger lock and thermal relief valve |
| Emissions | EPA |
| Warranty | 10 years |
| UPC | 879399008535 |
Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.
Description
Zoom on the Simpson ALH4440-S
In summary, the Simpson ALH4440-S is a heavy duty, commercial pressure washer, that offers an all-around versatile cleaning experience, and also:
- focused spot cleaning on hard, unpainted surfaces, accessing high spots, and efficiently eliminating stubborn stains
- general cleaning of hard surfaces , washing vehicles, and preparing surfaces for painting
- mild cleaning for delicate surfaces, and low-pressure cleaning for broader areas
- applying detergent and cleaning solutions, and rinsing surfaces
The following sections will present you in detail its power characteristics and design, its main features and all the additional features it has to offer.
Power
Its triplex pump, which utilizes an impressive 420cc engine, may deliver a pressure of up to 4400 PSI (almost 73 times more than a standard garden hose) and a flow of up to 4 GPM. Corresponding to these values is a cleaning power of 17600 Cleaning Units.
The CRX 420 engine of this gas pressure washer is activated by pulling a starter cord, following a traditional approach.
Gasoline is stored in a fuel tank with a maximum capacity of 1.6 gallon.
Design & Handling
Enhanced mobility is a key feature of the Simpson ALH4440-S, thanks to its hand truck design. Designed with an aluminum frame, this pressure washer combines lightweight construction with robust durability, offering corrosion resistance and effortless maneuverability for long-term reliability. The adds to the ALH4440-S convenience of transport.
With its hefty 133 lbs, this unit isn't exactly easy to handle, making manual lifting and transport quite a daunting task, especially on uneven terrain. Its 420cc CRX 420 engine, the triplex pump and aluminum frame add up to a large chunk of the device's weight. Nonetheless, the addition of two 13" pneumatic wheels simplifies maneuvering the ALH4440-S, even across rough ground.
Main Features
The Simpson ALH4440-S comes with a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, which are detailed below.
- Soap injection: Even though the device doesn't have a soap tank, detergent is supplied by a siphon hose. Once a soap nozzle is connected, the pressure washer automatically blends the detergent with the water flow.
- Pressure hose: With a set of convenient hooks, the unit offers a practical solution for maintaining workspace order, allowing the included 50 ft ⌀3/8" high-pressure hose to be neatly stored when idle.
- Spray gun and wand: The included classic ergonomic spray gun and its wand can be easily stored in a side hook.
- Nozzles: Review the table below to learn about the 5 included nozzles and the surfaces they're recommended for.
0° | 15° | 25° | 40° | Soap | |
|---|---|---|---|---|---|
| Concrete, brick, masonry | Use with caution | Suitable | Suitable | Suitable | Suitable |
| Siding, gutters, house | Not recommended | Use with caution | Use with caution | Suitable | Suitable |
| Fencing, deck, patio | Not recommended | Use with caution | Use with caution | Suitable | Suitable |
| Lawn equipment, boat, RV | Not recommended | Use with caution | Use with caution | Use with caution | Suitable |
Kindly note: The shapes of the nozzles depicted above are for illustrative purposes and may vary. Symbols indicate suitability, with a red cross signifying 'Not recommended,' a green check for 'Suitable,' and an orange check for 'Use with caution.'
Other Features
Some of the included accessories
- Onboard storage: The Simpson ALH4440-S's handy storage area lets you store nozzles and accessories, and thus, you’ll be always prepared and have everything necessary for the job at hand.
- Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation), a thermal relief valve (which helps to prevent internal pump damage) and a low oil protection.
- Accessories: On top of an owner's manual (opens in a new tab) and the usual documentation to get you swiftly started, the Simpson ALH4440-S also comes with wand, pressure hose, spray gun, oil and soap hose.
The Simpson ALH4440-S's performance versus other pressure washers
The following charts are provided to give you an idea of how the key specs of the Simpson ALH4440-S compare to similarly priced pressure washers.
- With 4400 PSI, the Simpson ALH4440-S ranks as one that can reach the highest pressure, amongst the gas-powered products that cost between $1000 and $1300.
- With a water flow of up to 4 GPM (gallons per minute), this washer belongs to the best of the above-mentioned price range, as it can deliver a high volume of water.
- With a rather impressive value of 17600 Cleaning Units (PSI X GPM), the ALH4440-S has one of the highest cleaning efficiencies compared to similarly priced devices.
Price comparison
As you can see from these interactive charts, when compared to other gas-powered washers between 17000 and 18500 Cleaning Units, the Simpson ALH4440-S is on the average side of the price range.
Therefore, this pressure washer nicely fits in the expected budget for this kind of cleaning power.
The bottom line
- In the expected price range
- 10 year (limited) warranty
- Triplex pump
- Aluminum frame
- Good range of nozzles included
- Onboard storage
- Several security features
- High PSI for the price
- High GPM for the price
- High CU for the price
- No soap tank
About Simpson
Simpson has over 50 years of experience making quality products for the outdoor power equipment industry. Part of the FNA Group based in Pleasant Prairie, Wisconsin since 2006, they are a vertically-integrated company, meaning most of the parts and accessories are manufactured and assembled by them. Their manufacturing facilities are international, but their gas-powered pressure washers are made in the USA. With the company motto "Driven by Performance", Simpson continues to offer a great variety of pressure-washing systems for the homeowner or the professional contractor.
Warranty Information
The Simpson ALH4440-S is covered under a warranty for up to 10 years. This warranty may be limited and may not cover all parts of the unit.
For more information about the warranty of Simpson pressure washers, please contact the Simpson Customer Support: 1-877-362-4271.
