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DeWalt 3300 PSI Gas Pressure Washer, 5 Nozzles, vs Simpson 4200 PSI Gas Pressure Washer, 4.0 GPM

Updated August 2026 — Simpson 4200 PSI Gas Pressure Washer, 4.0 GPM leads on power and versatility.

The DeWalt 3300 PSI Gas Pressure Washer is a budget-friendly option for homeowners, while the Simpson 4200 PSI Gas Pressure Washer is designed for professionals needing heavy-duty performance.

Why DeWalt 3300 PSI Gas Pressure Washer, 5 Nozzles, is better

Price

DeWalt is significantly cheaper at $399.00.

Weight

DeWalt is lighter and more portable.

Usability

DeWalt is designed for residential use, making it user-friendly.

Why Simpson 4200 PSI Gas Pressure Washer, 4.0 GPM is better

Performance

Simpson delivers higher pressure at 4200 PSI.

Durability

Simpson features advanced engine technology for longevity.

Warranty

Simpson offers a comprehensive warranty for professional use.

Overall score

DeWalt 3300 PSI Gas Pressure Washer, 5 Nozzles,
75
Simpson 4200 PSI Gas Pressure Washer, 4.0 GPM
88

Specifications

SpecDeWalt 3300 PSI Gas Pressure Washer, 5 Nozzles,Simpson 4200 PSI Gas Pressure Washer, 4.0 GPM
PSI33004200
GPM2.44.0
Engine208ccHonda GX390
Pump TypeAxial CamCAT Triplex
Nozzles55

Dimension comparison

DeWalt 3300 PSI Gas Pressure Washer, 5 Nozzles,Simpson 4200 PSI Gas Pressure Washer, 4.0 GPM

Price Comparison

The DeWalt 3300 PSI Gas Pressure Washer is priced at $399.00, whereas the Simpson 4200 PSI Gas Pressure Washer comes in at $1,329.99, making the DeWalt about 70% cheaper than the Simpson. This significant price disparity is noteworthy for consumers looking for effective cleaning solutions without breaking the bank. While both products offer great performance, the DeWalt model is designed for residential use, making it a more budget-friendly option for homeowners. In contrast, the Simpson is tailored for professional use, which is reflected in its higher price and advanced specifications.

Performance

In terms of performance, the Simpson 4200 PSI Gas Pressure Washer provides a higher pressure output of 4200 PSI at 4.0 GPM, compared to the DeWalt's 3300 PSI at 2.4 GPM. This means that the Simpson is better equipped for heavy-duty tasks and professional-grade cleaning, making it ideal for contractors and commercial applications. The DeWalt, while less powerful, still offers robust performance suitable for residential projects like cleaning decks and patios. This difference in PSI and GPM highlights the Simpson's capability for more intensive cleaning jobs, which may be essential for users with demanding requirements.

Engine and Durability

The DeWalt features a reliable 208cc engine, while the Simpson is powered by a Honda GX390 engine. The Honda engine is known for its easy start and low-oil shutdown feature, enhancing durability and performance longevity. Both models include thermal relief systems to prevent overheating, but the Simpson's advanced oil seal technology and ceramic-coated pistons extend the life of the pump seals. This makes the Simpson a more durable choice for frequent, heavy-duty use, while the DeWalt is designed for durability in light to moderate residential applications.

Accessories and Usability

When it comes to included accessories, the DeWalt comes equipped with a 25-ft abrasion-resistant hose and five quick-connect nozzles, which provide versatility for various cleaning tasks. The ergonomic spray gun and 16-inch steel wand further enhance usability, making it user-friendly for residential customers. The Simpson also includes five quick-connect nozzles along with a 50-foot dual-braided high-pressure hose, which is substantially longer and allows for greater reach. However, its heavier weight of 133 lbs may make it less portable compared to the DeWalt. Both models focus on user convenience, but the Simpson’s accessories cater more to professional users needing extended reach and durability.

Size and Portability

The DeWalt is designed with a compact footprint at dimensions of 41” L x 21” W x 24” H, making it easier to store and transport. It also features 10-inch pneumatic tires that facilitate smooth maneuvering across uneven surfaces. In contrast, the Simpson has dimensions of 38” L x 23.5” W x 29” H, and weighs 133 lbs, which may pose challenges in terms of portability. While both models are designed for easy transport, the DeWalt’s lighter weight and compact design make it a preferred choice for homeowners who need an easily manageable pressure washer.

Target Audience

The DeWalt 3300 PSI Gas Pressure Washer is primarily aimed at residential users who require a dependable machine for everyday cleaning tasks around the home. Its price point and features make it accessible for homeowners looking to maintain their properties without professional help. On the other hand, the Simpson 4200 PSI Gas Pressure Washer is tailored for professionals and contractors who need a robust machine capable of handling heavy-duty tasks, such as graffiti removal and equipment upkeep. This specialized focus on different user groups is evident in both the design and pricing of the products.

Warranty and Support

The Simpson offers a comprehensive warranty, including a 10-year limited frame warranty, a 5-year limited pump warranty, and a 3-year limited engine warranty. This level of coverage reflects the manufacturer’s confidence in their product’s durability and performance, catering to professionals who may rely heavily on their equipment. The DeWalt does not specify extensive warranty details, which could be a consideration for buyers prioritizing long-term investment protection. The robust warranty of the Simpson adds value for commercial users who require assurance on the longevity of their equipment.

Which should you buy?

Choosing between the DeWalt 3300 PSI Gas Pressure Washer and the Simpson 4200 PSI Gas Pressure Washer ultimately depends on your specific needs. If you are a homeowner looking for an effective and affordable solution for routine cleaning tasks, the DeWalt is the clear choice at $399.00. However, if you are a contractor or professional seeking a powerful, durable machine capable of handling heavy-duty jobs, the Simpson’s higher performance and extensive warranty may justify its $1,329.99 price tag. Consider your intended use, budget, and the value of additional features when making your decision.