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Item #:
219384098
Simpson Aluminum Series 4200 PSI Gas Pressure Washer, 2.5 GPM, Honda GX390 | Gas Power Washer For Professionals. CAT Triplex Pump, 50' Hose, Aluminum
Item #:
219384098
GBP 1371
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The SIMPSON Aluminum Series pressure washer is the optimum blend of maneuverability and performance, designed for the rigorous demands of the cleaning professional.
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What Stands Out
High Pressure Output
Boasting 4200 PSI, this power washer effectively tackles tough grime and stains, making it ideal for commercial and heavy-duty cleaning tasks.
Powerful Engine
Equipped with a reliable Honda GX390 engine, this machine delivers superior performance and longevity, ensuring consistent power for all your cleaning needs.
Durable Construction
The aluminum frame enhances durability while maintaining a lightweight design, allowing for easy maneuverability during prolonged use, especially on commercial sites.
Product Details
| Item Weight | 124 pounds (56.25 kg) |
| Hose Length | 50 inches (127 cm) |
| Item Dimensions L x W x H | 38"L x 23.5"W x 29"H (96.5 x 59.7 x 73.7 cm) |
| Tank Volume | 2.5 gallons |
| Wand Length | 31 inches (78.7 cm) |
| Power Source | Gasoline |
| Maximum Flow Rate | 4 gpm |
| Maximum Pressure | 4200 psi |
| Color | Red |
| Brand Name | SIMPSON |
| Model Number | ALH4240 |
| Global Trade Identification Number | 00879399001345 |
| UPC | 879399001345 |
| Unit Count | 1 Count |
| Included Components | Aluminum 4200PSI,4.0GPM,Gas GX390 |
| Item Type Name | Gas Pressure Washer, 4.0 GPM Commercial Power Washer, Cold Water, Honda GX390 Engine, 50' Hose, Aluminum Series, 49-State Compliant (ALH3228-S) |
| Manufacturer | SIMPSON |
| Manufacturer Part Number | ALH4240 |
| Brand | SIMPSON |
| Product Dimensions (L x W x H) | 38"L x 23.5"W x 29"H (96.5 x 59.7 x 73.7 cm) |
| Package Weight | 136.0000 Pound (61.69 kg) |
Who Should Buy?
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Commercial Users
Ideal for businesses requiring heavy-duty cleaning power for large areas or equipment on a regular basis.
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Homeowners
Perfect for homeowners needing to maintain driveways, patios, and outdoor furniture with powerful cold water cleaning.
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Contractors
Great for contractors in the construction or landscaping industry who rely on reliable and effective wash equipment.
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Casual Users
Not suitable for occasional users who prefer lightweight and easy-to-use electric pressure washers for small tasks.
Product Description
Simpson Aluminum Series 4200 PSI Gas Pressure Washer, 2.5 GPM, Honda GX390 | Gas Power Washer For Professionals. CAT Triplex Pump, 50' Hose, Aluminum Frame, 5 Nozzles. 49-State Compliant. ALH4240
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Customer Questions & Answers
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Question:
What kind of engine does the Simpson Cleaning 3400 PSI Gas Pressure Washer use?
Answer: The Simpson Cleaning 3400 PSI Gas Pressure Washer is powered by a Honda GX200 engine. This engine is known for its reliability and efficiency, making it an excellent choice for commercial use. With a powerful 196cc displacement, it ensures consistent performance, whether you’re cleaning driveways, patios, or vehicles. Additionally, the Honda GX200 is designed for durability, reducing maintenance needs over time, allowing for uninterrupted work even in demanding situations. -
Question:
How does the pressure output affect the cleaning power of the washer?
Answer: With a pressure output of 3400 PSI, this power washer is suitable for tackling tough cleaning tasks. Higher PSI means greater cleaning power, allowing users to effectively remove dirt, grime, and stains from various surfaces. This makes it ideal for cleaning heavy-duty items such as commercial equipment, brick surfaces, and outdoor furniture. It helps save time and labor while ensuring thorough cleaning results. -
Question:
What can I clean with the 2.5 GPM flow rate of this washer?
Answer: The 2.5 GPM (gallons per minute) flow rate of the Simpson pressure washer enhances its cleaning efficiency. This flow rate is optimal for washing cars, sidewalks, decks, and even large commercial vehicles. The combination of high pressure and flow allows for quick rinsing and thorough dirt removal, making it effective in reducing cleaning time. It's an excellent choice for both residential and commercial cleaning tasks. -
Question:
Is this pressure washer suitable for residential use?
Answer: Yes, while the Simpson Cleaning 3400 PSI Gas Pressure Washer is designed for commercial use, it is also perfectly suitable for residential cleaning tasks. Whether you're cleaning your home’s exterior, driveways, or patio furniture, this washer can efficiently handle all your cleaning needs. Its powerful motor and high PSI ensure effective results, providing a professional-grade clean in home applications as well. -
Question:
How long is the hose and how does it impact usage?
Answer: The Simpson pressure washer comes with a 25-foot hose, allowing for a good reach without needing to constantly move the unit. This length is particularly beneficial for cleaning larger areas such as big driveways or expansive patios without the hassle of moving the washer frequently. A longer hose also allows you to access difficult-to-reach areas around your home or business, enhancing overall user convenience. -
Question:
What type of surfaces can this pressure washer be used on?
Answer: The Simpson Cleaning 3400 PSI Gas Pressure Washer is versatile enough to clean a variety of surfaces. It is safe for use on concrete, brick, wood, and vehicles, making it ideal for a range of applications from home cleaning to commercial use. Always remember to adjust the nozzle and pressure settings based on the surface type to prevent damage and achieve optimal cleaning results. -
Question:
How does the aluminum series frame benefit the user?
Answer: The aluminum series frame of the Simpson Cleaning 3400 PSI Gas Pressure Washer provides enhanced durability while remaining lightweight. This construction makes it easier to maneuver without compromising sturdiness. Users often find this material advantageous, especially in rugged conditions or for prolonged use, as it resists rust and corrosion, ensuring the pressure washer maintains its performance over time. -
Question:
Is assembly required for the Simpson pressure washer?
Answer: Some assembly is required for the Simpson Cleaning 3400 PSI Gas Pressure Washer upon purchase. This typically involves attaching the handle and wheels, which is straightforward and can be completed quickly without specialized tools. Instructions are provided to assist you. With assembly being minimal, users can quickly set it up and get to work on their cleaning tasks with little downtime. -
Question:
Can detergent be used with this pressure washer?
Answer: Yes, the Simpson Cleaning 3400 PSI Gas Pressure Washer is compatible with detergents made for pressure washers. Using detergent can greatly enhance the cleaning process, particularly for tough stains and grime. It’s best to use a high-quality detergent at the appropriate dilution, which allows for better encapsulation of dirt and grease, ensuring a more effective clean, particularly on surfaces like patios and vehicles. -
Question:
Where can I buy the Simpson Cleaning 3400 PSI Gas Pressure Washer?
Answer: You can buy the Simpson Cleaning 3400 PSI Gas Pressure Washer from Ubuy. Ubuy offers a streamlined shopping experience with a vast selection of products, ensuring you can easily find and purchase this power washer. With Ubuy's user-friendly platform, you can also explore additional accessories and related products to enhance your cleaning experience.
SIMPSON Pressure Washers ALH4240 Editorial Review
The Simpson Cleaning 3400 PSI Gas Pressure Washer is well-received by customers who have purchased and used it for various cleaning tasks, particularly in commercial and substantial residential applications. Many users appreciate the power and efficiency provided by the Honda GX200 engine and the CAT AAA pump, emphasizing that the unit delivers impressive performance and reliability throughout its operational life. Testimonials indicate that the pressure washer starts effortlessly and cleans tough surfaces, such as travertine pool decks and paver driveways, without any issues. Customers noted that the overall Construction of the product is favorable, highlighting the lightweight yet heavy-duty aluminum frame, which contributes to both maneuverability and durability. While a few users reported minor concerns, such as the longevity of the rubber feet and the awkwardness during transportation, these did not significantly detract from their overall satisfaction. The pressure washer's design includes a feature that prevents potential damage if the handle is released while running, which many users found valuable. However, customers also pointed out that the process of changing the oil could be improved for convenience. One recurring issue that emerged in reviews relates to the wheel assembly, where some customers have experienced persistent problems with wheels coming off due to the type of fastening mechanism. Fortunately, users have praised the quick and effective customer service, which provides replacement parts swiftly, further enhancing the overall experience. Overall, the Simpson Cleaning 3400 PSI Gas Pressure Washer garners high recommendations for its power, reliability, and solid Construction, making it a strong choice for both commercial users and homeowners needing serious cleaning capabilities. **
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Pros
- Powerful Honda GX200 engine and CAT AAA pump for reliable performance.
- Lightweight yet sturdy aluminum frame enhances mobility.
- Starts easily and efficiently cleans tough surfaces.
- High pressure (3400 PSI) with versatility for various tasks.
Cons
- Rubber feet lack durability and may require replacement.
Platform Trust & Buyer Confidence
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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GBP 1371
Order now and get it around Saturday, August 22
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Features & Benefits
- 3400 PSI at 2.5 GPM for powerful cleaning.
- Lightweight aircraft-grade aluminum frame for easy maneuverability.
- Powered by a reliable HONDA GX200 engine with low oil shutdown feature.
- Includes ergonomic spray gun and 5 Quick Connect nozzles for versatility.
- Perfect for contractors specializing in various professional cleaning services.
- Supported by extensive warranties: engine (3 years), pump (5 years), frame (10 years).
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