# SIMPSON ALH4240 Pressure Washer *Published: 2025-02-18 | Updated: 2025-02-18 | Source: https://shopsavvy.com/products/simpson-alh4240-pressure-washer* --- **Brand:** Simpson Cleaning **Price Range:** $99 - $2116.39 across 52 retailers ## Pros - Powerful performance ideal for commercial use, with 4200 PSI and 4.0 GPM capability. - Equipped with a Honda GX390 engine and CAT pump for reliability and easy access to repair parts. - Effectively cleans a variety of surfaces including driveways, vinyl siding, and stucco. - Easy to use, especially once the starting process is mastered. - Relatively quiet operation compared to similar high-powered models. - Good value for its cost, compared to similar models available. - Reliable starting after initial attempts. - Offers significantly higher pressure for tougher cleaning jobs. - No issues with oil leaks or water hose connections observed by some users. - Good customer support with direct communication with engineers for technical questions. ## Cons - Poor packaging, resulting in multiple reported issues such as bent parts and missing components. - Fuel consumption is high, requiring frequent refills. - Weight is a challenge, making it difficult to maneuver. - Lacks adjustable pressure and pressure gauge, making control more challenging. - Requires care during use to prevent damage to surfaces due to high pressure. - Can be difficult to start if the pump has built up pressure; pressure must be released to restart. - Higher pressure results in stronger recoil, making the wand harder to control. - Some reports of unhelpful customer service suggesting returns instead of replacements. - The provided oil for the engine is insufficient, requiring additional purchase. - Must release water build-up on the gun before starting to avoid problems. ## Specifications | Attribute | Value | |-----------|-------| | model | ALH4240 | | mpn | ALH4240 | | sku | N/A | | dimensionsUnit | N/A | | weight | N/A | | color | Red | | material | Aluminum | | brand | SIMPSON Cleaning | | manufacturer | SIMPSON Cleaning | | pressure | 4200 PSI | | flow_rate | 4.0 GPM | | engine | Honda GX390 | | type | Gas Pressure Washer | ## About This Product The SIMPSON Aluminum Series pressure washer 4200 PSI at 4. 0 GPM is great for construction, equipment upkeep, and facility and fleet maintenance cleaning. With a powerful HONDA GX390 engine, reliable CAT triplex pump, and ultra lightweight aircraft grade aluminum frame, this pressure washer is the optimum blend of maneuverability and performance. The ALH4240 also comes with a 50’ hose, ergonomic spray gun, and 5 Quick Connect nozzles. Designed to meet the rigorous demands of the cleaning professional, the SIMPSON Aluminum Series frame is crafted of 100% aircraft grade aluminum, making it lighter in weight than most steel frame pressure washer designs. Perfect for contractors who specialize in deck cleaning, wood restoration, paint preparation, graffiti removal and all other professional cleaning services. The SIMPSON Aluminum Series designed for optimum performance in the harshest environments. 10 Year Limited Frame Warranty, 5 Year Limited Pump Warranty, 3 Year Limited Engine Warranty... ## Last Seen Prices | Retailer | Price | Availability | Last seen | |----------|-------|-------------|-----------| | [acme tools](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/qHeBIbQ41aFOaHsSvdOX?source=shopsavvy&medium=product-page) | $99.00 | In Stock | 2023-03-02 (may have changed) | | [Actoolshop](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/CpOmWhlOSAOZDQdprPRX?source=shopsavvy&medium=product-page) | $99.00 | In Stock | 2023-01-11 (may have changed) | | [danxiaogui](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/uieiPQkXYULPoSjfMS03?source=shopsavvy&medium=product-page) | $99.00 | In Stock | 2023-03-05 (may have changed) | | [My Store](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/R1jZP7w2MY7oqvSZ4Lkz?source=shopsavvy&medium=product-page) | $390.00 | In Stock | 2023-03-11 (may have changed) | | [dewatools.com](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/270defaa-cf7c-7690-7380-b25abfd5432e?source=shopsavvy&medium=product-page) | $592.70 | In Stock | 2025-02-18 (may have changed) | | [Used Tools MKT](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/a0cfc792-f797-4f9e-9d21-43f9e63d78fb?source=shopsavvy&medium=product-page) | $972.00 | In Stock | 2025-02-18 (may have changed) | | [toolmartinc.com](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/cvNVL8CDBz8Jg0XNcdvd?source=shopsavvy&medium=product-page) | $999.00 | In Stock | 2022-10-31 (may have changed) | | [AliExpress](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/fdf9715c-45fb-521f-c8d2-f950e1d83555?source=shopsavvy&medium=product-page) | $1093.72 | In Stock | 2025-02-18 (may have changed) | | [totallyfurniture.com](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/1nDAvO8LColSQomyUmEG?source=shopsavvy&medium=product-page) | $1107.32 | In Stock | 2022-10-25 (may have changed) | | [Discount Bandit](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/nt2eCed0PpnmFpIwWtV1?source=shopsavvy&medium=product-page) | $1255.34 | In Stock | 2022-10-25 (may have changed) | | [Asphalt Sealcoating Direct](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/COtOb9Jqralujwe1Kurt?source=shopsavvy&medium=product-page) | $1299.00 | In Stock | 2023-02-12 (may have changed) | | [Kiku Home](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/QwvPUbEgue0eGr0Rm1MH?source=shopsavvy&medium=product-page) | $1299.00 | In Stock | 2023-01-13 (may have changed) | | [Performance Line Tool Center](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/YrGuP9qu1FY2SXUxMKg8?source=shopsavvy&medium=product-page) | $1299.99 | In Stock | 2023-02-16 (may have changed) | | [Performance Line Tool Center](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/tsATsyzl2nk9PQ3jC9BQ?source=shopsavvy&medium=product-page) | $1299.99 | In Stock | 2022-08-16 (may have changed) | | [Tractor Supply Company](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/R2pJXCweK4Q8RsF4byD6?source=shopsavvy&medium=product-page) | $1299.99 | In Stock | 2022-08-08 (may have changed) | | [Zoro Tools Industrial Supplies](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/IHrlHO5Bk7RttFvweGcM?source=shopsavvy&medium=product-page) | $1299.99 | In Stock | 2022-08-16 (may have changed) | | [zorotools.com](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/Ll9l0ijfHdw9vdrvVbPV?source=shopsavvy&medium=product-page) | $1299.99 | In Stock | 2023-05-05 (may have changed) | | [joojet](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/J5aHPcmejXWMubTN2I0U?source=shopsavvy&medium=product-page) | $1303.00 | In Stock | 2022-08-02 (may have changed) | | [WEBstaurant Store](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/svBbKisndQYte0YkOfty?source=shopsavvy&medium=product-page) | $1329.99 | In Stock | 2025-02-18 (may have changed) | | [Power Equipment Direct](https://shopsavvy.com/api/redirect/products/9SbmekZS8ZFa3BVsBYGj/offers/fktGX0cIwm6TtjiNbdvZ?source=shopsavvy&medium=product-page) | $1350.00 | In Stock | 2025-02-18 (may have changed) | [See every retailer and the full price history on ShopSavvy](https://shopsavvy.com/products/simpson-alh4240-pressure-washer) --- *About this page: ShopSavvy compares prices across thousands of retailers, aggregates expert and user reviews, and tracks price history to help you make informed buying decisions. 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