Best Gas Pressure Washers for Professional Use
- Mar 26
- 2 min read
Gas pressure washers remain the top choice for contractors who need maximum power, mobility, and long-lasting performance. Whether you're cleaning concrete, driveways, commercial buildings, heavy equipment, or prepping surfaces for painting, the right gas pressure washer can significantly improve job speed and overall productivity. Here are the top professional-grade gas pressure washers.

The Simpson PowerShot PS60918 is designed for professional contractors who need power and durability. Equipped with a Honda GX390 engine and AAA industrial triplex pump, this washer provides consistent, high-pressure water flow perfect for tough commercial cleaning jobs. Its welded steel frame and pneumatic tires make it rugged and easy to transport across varied job sites.
Best for: Concrete cleaning, graffiti removal, commercial buildings, heavy grime
This DeWalt contractor model delivers strong cleaning power with a Honda GX engine and an industrial triplex pump built for all-day use. With its sturdy steel roll cage, this unit is excellent for contractors who need a reliable machine that withstands transport, vibration, and high-usage conditions.
Best for: Paint prep, industrial cleaning, fleet washing
Champion’s Pro Series pressure washer offers exceptional value for professionals. The high-flow and 2800 PSI combination make it ideal for large-area cleaning and stubborn stains. Its commercial-grade Annovi Reverberi pump provides strong reliability, while the durable frame is designed for contractor use.
Best for: Sidewalks, parking lots, surface restoration
Part of Simpson’s Industrial Series, the ALH4240 is lightweight thanks to its aircraft‑grade aluminum frame. It also features a Honda GX engine coupled with an industrial triplex pump, making it one of the most reliable pressure washers for contractors working full-time in commercial cleaning.
Best for: Driveways, commercial properties, large-scale cleaning
Why Gas Pressure Washers Are the Contractor Standard
Gas pressure washers remain the top choice because they offer:
Higher PSI & GPM for faster cleaning
Greater mobility without electrical limitations
Industrial-grade pumps built for daily commercial use
Long run times ideal for large properties and commercial jobs
Flexibility across multiple environments
For professional contractors, gas pressure washers are essential for delivering high-quality results efficiently.
Protect Your Power Washing or Contracting Business
Commercial pressure washing involves risks such as overspray damage, surface etching, equipment malfunction, chemical exposure, and slip‑and‑fall incidents. Protecting your business with the right insurance helps safeguard your equipment, employees, and clients.
Wexford Insurance offers contractor‑focused policies tailored specifically for power washing and cleaning businesses.
👉 Click here to get a fast no‑obligation quote from Wexford Insurance.





