Simpson 3400 PSI Gas Pressure Washer, vs Simpson 4400 PSI Gas Pressure Washer,
Updated April 2026 — Simpson 3400 PSI Gas Pressure Washer, wins on value and portability, Simpson 4400 PSI Gas Pressure Washer, wins on flow rate and pump durability.
$329.00Simpson 3400 PSI Gas Pressure Washer, 2.5 GPM Residential Power Washer, Cold Water, 25' Hose, Clean Machine, 49-State Compliant (CM61083)
SIMPSON
$899.00Simpson 4400 PSI Gas Pressure Washer, 4.0 GPM Commercial Power Washer, Cold Water, 50' Hose, PowerShot, 49-State Compliant (PS60843) - Black
SIMPSON
The {{PRODUCT_B_NAME}} outperforms the {{PRODUCT_A_NAME}} with significantly higher pressure and flow rate, making it the superior choice for professional contractors. However, the {{PRODUCT_A_NAME}} offers better value for homeowners seeking a reliable machine for standard cleaning tasks at a lower price point.
Why Simpson 3400 PSI Gas Pressure Washer, is better
{{PRODUCT_A_NAME}} is significantly more affordable
Priced at $329.00 compared to $899.00
{{PRODUCT_A_NAME}} is lighter for transport
Weighs 64 lb versus unspecified heavier weight
{{PRODUCT_A_NAME}} suits homeowner needs
Designed for decks, driveways, and cars
{{PRODUCT_A_NAME}} has compact dimensions
37" L x 30" W x 21" H frame size
Why Simpson 4400 PSI Gas Pressure Washer, is better
{{PRODUCT_B_NAME}} delivers higher pressure
4400 PSI versus 3400 PSI output
{{PRODUCT_B_NAME}} provides greater water flow
4.0 GPM versus 2.5 GPM flow rate
{{PRODUCT_B_NAME}} features a larger engine
420 cc CRX versus 208 cc CRX engine
{{PRODUCT_B_NAME}} includes a longer hose
50-foot hose versus 25-foot hose
Overall score
Specifications
| Spec | Simpson 3400 PSI Gas Pressure Washer, | Simpson 4400 PSI Gas Pressure Washer, |
|---|---|---|
| Price | $329.00 | $899.00 |
| Pressure | 3400 PSI | 4400 PSI |
| Flow Rate | 2.5 GPM | 4.0 GPM |
| Engine | 208 cc CRX | 420 cc CRX |
| Pump Type | OEM Technologies axial cam | AAA industrial triplex plunger |
| Hose Length | 25 feet | 50 feet |
| Tire Size | 10 inches | 13 inches |
| Weight | 64 lb | null |
Dimension comparison
Design and Build Quality
Both units feature welded steel frame construction with a powder-coated finish designed to resist corrosion and ensure durability during operation. The {{PRODUCT_A_NAME}} utilizes a balanced layout to improve transport stability, while the {{PRODUCT_B_NAME}} is built with professional-grade durability in mind. The frame on the {{PRODUCT_B_NAME}} is engineered to withstand the rigors of contract work, including deck cleaning and wood restoration. Both machines include thermal relief valves to help prevent overheating during extended use, ensuring the pump remains protected regardless of the workload intensity.
Engine and Power Source
The power source distinguishes these two models significantly in terms of raw capability. The {{PRODUCT_A_NAME}} is equipped with a 208 cc CRX engine that starts easily and includes a low-oil shutdown feature for safety. In contrast, the {{PRODUCT_B_NAME}} houses a premium 420 cc CRX engine, providing substantially more power for demanding applications. This larger engine supports the higher pressure and flow requirements of professional services. Both engines are designed for easy starting, but the displacement difference highlights the intended use cases for each machine.
Pump Performance and Pressure
Pressure and flow rate are critical metrics for cleaning efficiency. The {{PRODUCT_A_NAME}} delivers 3400 PSI at 2.5 GPM using an OEM Technologies axial cam pump. This maintenance-free pump is suitable for typical homeowner tasks. The {{PRODUCT_B_NAME}} advances this with 4400 PSI at 4.0 GPM via an AAA industrial triplex plunger pump. The triplex design generally offers longer life and better performance under continuous load. Additionally, the {{PRODUCT_B_NAME}} features PowerBoost Technology to deliver higher pressure at the nozzle, enhancing cleaning power for paint preparation and heavy-duty restoration.
Hose and Connectivity
Reach and hose durability impact workflow efficiency on large jobs. The {{PRODUCT_A_NAME}} includes a Simpson MorFlex series 25-foot high-pressure hose that resists kinks and abrasion. It features non-marring properties to protect finished surfaces and quick-connect fittings for fast setup. The {{PRODUCT_B_NAME}} includes a Monster 3/8-inch x 50-foot high-pressure hose, doubling the reach. This hose also features a polyurethane outer jacket for kink and abrasion resistance with quick-connect fittings. The extended length of the {{PRODUCT_B_NAME}} hose reduces the need to move the unit frequently during large-scale cleaning operations.
Portability and Maneuverability
Moving these machines across different terrains requires robust wheels and a balanced design. The {{PRODUCT_A_NAME}} rolls on 10-inch premium pneumatic tires that handle gravel, grass, and curbs smoothly. It weighs 64 lb, making it manageable for single-person transport. The {{PRODUCT_B_NAME}} upgrades to 13-inch premium pneumatic tires, delivering easier maneuverability across various terrain and uneven ground. While the {{PRODUCT_B_NAME}} is likely heavier due to its larger engine and pump, the larger tires compensate by reducing rolling resistance over obstacles.
Accessories and Nozzles
Included accessories determine immediate usability out of the box. The {{PRODUCT_A_NAME}} comes with four quick-connect pressure washer tips covering 0°, 15°, 40°, and soap nozzle options. This selection covers most DIY tasks effectively. The {{PRODUCT_B_NAME}} includes five quick-connect nozzle tips: 0°, 15°, 25°, 40°, and Soap. It also features an ergonomic spray gun with a 31-inch steel wand. The additional 25-degree nozzle on the {{PRODUCT_B_NAME}} provides more versatility for specific cleaning angles required in professional settings.
Price and Value Proposition
Cost is a major differentiator between these two pressure washers. The {{PRODUCT_A_NAME}} is priced at $329.00, positioning it as an accessible option for homeowners cleaning decks, siding, and cars. The {{PRODUCT_B_NAME}} is priced at $899.00, reflecting its professional performance capabilities and industrial components. For users specializing in professional services, the higher initial cost of the {{PRODUCT_B_NAME}} may be justified by increased efficiency and durability. However, for occasional use, the {{PRODUCT_A_NAME}} offers a compelling value proposition with sufficient power for standard maintenance.
Which One Should You Buy
Choosing between these models depends on your intended frequency of use and cleaning requirements. If you are a homeowner needing to clean patio furniture, fencing, and driveways occasionally, the {{PRODUCT_A_NAME}} provides adequate power at a budget-friendly price. Its 3400 PSI output is sufficient for most residential surfaces. If you are a contractor specializing in wood restoration or paint preparation, the {{PRODUCT_B_NAME}} is the necessary tool. Its 4400 PSI pressure, 4.0 GPM flow, and industrial triplex pump ensure it can handle daily professional demands without compromise.