Product Review: Simpson PS4240 PowerShot Gas Pressure Washer Powered by Honda GX390, 4200 PSI at 4.0 GPM, (49 State) 60456
Introduction
If you’re hunting to buy Simpson PS4240 or searching for the best commercial pressure washer for heavy-duty cleaning, this review covers the essentials. The Simpson PS4240 (Simpson PowerShot) combines a Honda GX390 engine with a 4200 PSI pressure output and 4.0 GPM flow — a configuration built for contractors, fleet maintenance, and serious prosumers. Below you’ll find an honest look at what makes this PowerShot pressure washer a top contender and where to find it for purchase.
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What is this product?
The Simpson PS4240 is a commercial-grade gas pressure washer in the PowerShot line. Officially sold as the Simpson PS4240 PowerShot Gas Pressure Washer Powered by Honda GX390, 4200 PSI at 4.0 GPM, (49 State) 60456, it pairs a reliable Honda GX390 engine with an AAA industrial triplex pump. In short, it’s a high-performance gasoline pressure washer 4200 PSI 4.0 GPM designed for heavy-duty driveway cleaning, paint prep, wood restoration and equipment cleaning.
Key Features
- Professional Performance: Easy-to-assemble and easy-to-start with its Honda GX390 premium engine — ideal for contractors and prosumers.
- PowerBoost: Yes — supports high cleaning power when you need it.
- Pump: Maintenance-free AAA industrial triplex plunger pump delivering 4200 PSI pressure washer performance at 4.0 GPM pressure washer and includes thermal relief to prevent overheating.
- Frame & Mobility: Welded steel frame with a powder-coated finish for durability; 13-inch pneumatic tires for maneuverability across uneven ground.
- Accessories Included: Monster 3/8″ x 50′ high-pressure hose (kink & abrasion resistant), 5 quick-connect nozzle tips (0°, 15°, 25°, 40°, Soap), ergonomic spray gun with a 31″ steel wand.
- Important Notes: 49-state compliant; keep max fuel level 1/2 inch below bottom of filler neck to avoid spillage.
Detailed Description
The SIMPSON Power Shot 4200 PSI at 4.0 GPM is built to meet the demands of cleaning professionals. The Simpson PowerShot series is compact yet powerful, designed for deep outdoor cleaning, job site use, equipment upkeep and facility or fleet maintenance. The PS4240 features a commercial HONDA GX390 engine, reliable AAA industrial triplex pump, and a 50-foot kink and abrasion resistant hose. With an ergonomic spray gun and five quick-connect nozzles, this unit is ready right out of the box for tough cleaning tasks.
Warranty coverage is generous for a machine of this class: a 3-year limited Honda commercial engine warranty, 5-year limited pump warranty, 10-year limited frame warranty, and 90-day accessory coverage. The PS4240 is often listed as the Simpson PS4240 PowerShot gas pressure washer Honda GX390 4200 PSI 4.0 GPM in product listings and is also marketed under model number Simpson 60456.
Pros and Cons
Pros
- Powerful performance: 4200 PSI and 4.0 GPM for aggressive cleaning.
- Reliable engine: Honda GX390 is a commercial-grade motor known for durability.
- Professional-grade pump: AAA triplex pump with thermal relief.
- Portable and sturdy: Welded steel frame and pneumatic tires for transport.
- Complete kit: Long hose, multiple nozzles, ergonomic wand — minimal extra purchases required.
Cons
- Heavier than consumer models — requires some effort to move when loaded.
- Not CARB-compliant for all states (sold as a 49-state model, verify local regulations).
- Commercial engine and pump maintenance are required for long-term reliability.
Who Should Buy This Product
The Simpson PS4240 is for contractors, property managers, fleet and equipment maintenance crews, and serious homeowners who need a high performance gasoline pressure washer 4200 PSI 4.0 GPM. If you want to purchase Honda GX390 pressure washer quality, or you’re searching for a commercial grade gas pressure washer with Honda GX390 engine, this is an excellent option. Also great for those searching to shop PowerShot pressure washer listings and comparing Simpson PS4240 for sale offers.
Comparison with Similar Products
Compared to smaller consumer models (e.g., 2000–3000 PSI units), the Simpson PS4240 offers a significant boost in flow and pressure, cutting cleaning time for tough jobs. Against the Simpson PS4230, the PS4240 typically offers a larger engine and higher output (4200 PSI vs lower-rated pumps), making it better suited for commercial use. For buyers weighing the question “Simpson PS4240 vs Simpson PS4230,” the PS4240 is the pick for heavy-duty driveway cleaning and fleet work.
If you’re looking to buy Simpson PS4240 or find the best price Simpson PS4240, compare retailers and check for package deals that include hoses or surface cleaners — these can add value for contractors.
Frequently Asked Questions
Is the Simpson PS4240 easy to start?
Yes. The Honda GX390 is designed for reliable starts and professional use. Assembly is straightforward and most users report fast setup.
Can I use this pressure washer for commercial fleet cleaning?
Absolutely — it’s designed for heavy-duty applications like equipment and fleet cleaning, with the flow and pressure to remove grease and carbon buildup.
Where can I buy the Simpson PS4240?
You can buy Simpson PS4240 on Amazon and other authorized retailers. For quick access, see the link below.
Final Verdict Gas Pressure Washers review
The Simpson PS4240 PowerShot is a robust, professional-grade solution for anyone who needs reliable 4200 PSI power with a 4.0 GPM flow. It earns a strong recommendation for contractors, prosumers, and maintenance teams looking to purchase Honda GX390 pressure washer quality and durability. If your projects involve heavy-duty driveway cleaning, paint preparation, or fleet maintenance, this unit is worth the investment.
Looking for the best value or wondering where to get the Simpson PS4240 for sale? Check current listings and deals, and remember to factor in accessories and warranties when comparing prices.
Disclaimer: Prices, availability and model numbers may change. Always verify compatibility and local compliance (CARB/49-state) before purchase.