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Simpson 3600 PSI Gas Pressure Washer Review

Editor's Choice

Simpson Aluminum 3600 PSI Pressure Washer

Professional-grade cleaning power at your fingertips
9/10
EXPERT SCORE
The Simpson Aluminum Series pressure washer delivers powerful cleaning with a Honda GX200 engine and 3600 PSI performance, ideal for tackling tough stains on various surfaces. Its pro-grade accessories and durable design make it an essential tool for contractors and homeowners alike.
Updated: July 20, 2026 10:07 am

Simpson 3600 PSI Gas Pressure Washer Review

Introduction

The Simpson Aluminum Series 3600 PSI Gas Pressure Washer is a powerful cleaning tool manufactured by Simpson, a well-known name in the pressure washer industry. This model is specifically designed for both residential and commercial use, targeting users who require a robust machine for heavy-duty cleaning tasks. Whether it’s cleaning decks, driveways, or even removing graffiti, this pressure washer aims to deliver professional-level results.

Product Overview

The Simpson Aluminum Series pressure washer stands out with its high-performance capabilities. It features a Honda GX200 engine that is known for its reliability and ease of starting. This cold water machine operates at an impressive 3600 PSI with a flow rate of 2.5 GPM, making it ideal for contractors and home users alike. Notably, it is compliant with 49 states and is not available for sale in California, which may influence purchasing decisions for residents in that state.

Appearance and Design

The pressure washer has an industrial look, featuring a sleek black and red color scheme that emphasizes its professional nature. The aircraft-grade aluminum frame not only contributes to its lightweight design (weighing in at only 78 lbs) but also enhances durability with a corrosion-resistant powder-coated finish. The overall aesthetic is complemented by 10-inch premium pneumatic tires that not only look good but also provide excellent mobility on various terrains.

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Key Features and Specifications

  • Engine: Honda GX200, known for easy start and low-oil shutdown
  • Pressure & Flow: 3600 PSI at 2.5 GPM
  • Pump: AAA triplex plunger pump with thermal relief and integrated unloader
  • Hose: 35′ non-marring, flexible, and abrasion-resistant Morflex series hose
  • Wheels: 10” premium pneumatic tires for easy transport
  • Accessories: Five quick-connect pressure washer tips and a professional QC spray gun with safety lock-out
  • Dimensions: 21″ L x 24″ W x 34″ H
  • Warranty: 3-year engine, 5-year pump, and 10-year frame warranty

Experience Using the Product

Upon using the Simpson 3600 PSI Gas Pressure Washer, I was immediately impressed with its ease of setup and operation. The Honda engine started effortlessly, and I appreciated the low-oil shutdown feature, which gives peace of mind during use. I tested the washer on various surfaces, including a wooden deck, concrete driveway, and even an old fence. Each time, it performed exceptionally well, eliminating dirt and grime with minimal effort.

The long 35-foot hose offered excellent reach, allowing me to clean larger areas without constantly moving the machine. The quick-connect tips made switching between different spray patterns seamless, enhancing versatility. In terms of mobility, the pneumatic tires rolled smoothly over gravel and grass, making it easy to transport the machine from one job to another.

Pros and Cons

Pros:

  • Powerful 3600 PSI for effective cleaning
  • Reliable Honda engine for easy starting and low maintenance
  • Lightweight and durable aluminum frame
  • Long hose for extended reach
  • Versatile with multiple quick-connect tips

Cons:

  • Not available for sale in California
  • Higher price point compared to some competitors
  • Requires gas, which may be less convenient for some users
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Conclusion

Overall, the Simpson Aluminum 3600 PSI Gas Pressure Washer is an excellent investment for anyone in need of a robust and reliable cleaning machine. Its powerful performance, ease of use, and solid construction make it a standout choice for both homeowners and professionals. While the price might be higher than some other models on the market, the features and long-term durability justify the cost. If you are looking for a pressure washer that delivers professional-level results, this model should definitely be on your shortlist.

Ray D Berryman
Ray D Berryman

Ray D. Berryman spent most of his working life selling, servicing, and repairing pressure washers and outdoor cleaning equipment. Over the years, he helped homeowners and contractors choose the right machines, solve common problems, and keep their equipment running properly. Now retired, Ray shares practical advice based on real hands-on experience rather than product brochures.

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