Simpson 4200 PSI Gas Pressure Washer Review 2026

Simpson Cleaning 4200 PSI Gas Pressure Washer Review (ALWB60828)

Product Review: Simpson Cleaning 4200 PSI Gas Pressure Washer, 4.0 GPM Power Washer for Commercial Use, Honda Engine, 50-Foot Hose, Aluminum Water Blaster, 49-State (ALWB60828)

Introduction

If you’re searching to buy Simpson 4200 PSI pressure washer or want a durable commercial unit for professional cleaning jobs, the Simpson Cleaning pressure washer model ALWB60828 is worth a close look. This Simpson Cleaning 4200 PSI 4.0 GPM Honda engine commercial power washer with 50 foot hose promises contractor-grade performance, portability, and the trusted Honda engine reliability contractors demand. Below is an in-depth, trustworthy review to help you decide whether to order Simpson power washer for your business or heavy-duty home use.

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What is this product?

The Simpson Cleaning ALWB60828 is a commercial-grade, gas pressure washer built on an aluminum Water Blaster frame. With a Honda GX390 engine and a CAT industrial triplex pump rated at 4200 PSI and 4.0 GPM, this unit is designed for contractors who need a reliable, high-pressure system for jobs like deck cleaning, paint prep, graffiti removal, and fleet maintenance. The included 50-foot hose and professional spray gun make it ready for a range of on-site tasks.

Key Features

The following are the official highlights from the product listing — concise and focused for quick comparison:

  • Professional Performance: Easy-to-assemble and easy-to-start with a Honda GX390 commercial series engine — ideal for contractors specializing in deck cleaning, wood restoration, and professional services.
  • Power and Durability: CAT industrial triplex plunger pump delivers 4200 PSI at 4.0 GPM and includes thermal relief to prevent overheating.
  • Includes Quality Simpson Accessories: Monster 3/8″ x 50′ high-pressure hose (kink- and abrasion-resistant); 5 quick-connect nozzle tips (0°, 15°, 25°, 40° and soap); 48″ insulated grip steel wand; professional spray gun with safety lock-out.
  • Sturdy and Portable: Aircraft grade aluminum platform with extruded aluminum tubing and 13″ pneumatic tires for maneuverability across uneven terrain.
  • Important Notes: 49-state compliant; engine may contain minimal residual fuel/oil from factory testing; fuel tank capacity approx. 1.6 gallons.

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Detailed Description

The SIMPSON Water Blaster ALWB60828 runs on a reliable HONDA GX390 engine and a belt-driven CAT pump to reduce heat and vibration, which helps extend the life of the machine. The aircraft-grade aluminum frame makes it lighter than comparable steel-framed units while maintaining excellent corrosion resistance for harsh jobsite environments. With 4200 PSI and 4.0 GPM, the power washer removes heavy dirt, paint, and buildup quickly — making it a favorite for professionals who search for a gas pressure washer that balances power with portability.

The package includes industry-grade accessories such as a 50-foot kink-resistant hose (perfect for driveway cleaning and reaching tall siding), five quick-connect nozzle tips for different spray angles, and a long insulated wand to reduce user fatigue. Simpson backs the engine, pump, and frame with solid commercial warranties: 3-year (engine), 5-year (pump), and 10-year (frame).

Pros and Cons

Pros

  • True contractor-grade performance: 4200 PSI at 4.0 GPM for tough cleaning tasks.
  • Honda engine reliability: Built for long, continuous runs on heavy jobs.
  • Durable, lightweight frame: Aircraft-grade aluminum improves mobility and resists corrosion.
  • Complete accessories: 50-foot hose, multiple nozzles, and ergonomic wand out of the box.
  • Good serviceability: Belt-drive design reduces wear and simplifies maintenance.

Cons

  • Price: Higher initial cost than consumer models — but aimed at professionals.
  • Weight: Still a heavy unit compared to consumer electric washers; requires effort to lift into trucks despite pneumatic tires.
  • Not CARB-compliant in all states: Listed as 49-state compliant; double-check local regulations if in CARB-restricted areas.

Who Should Buy This Product

This Simpson Cleaning pressure washer is ideal for contractors, property managers, and serious DIYers who need a reliable, commercial-grade machine. If you search for “where to buy Simpson Cleaning pressure washer” or want to purchase commercial pressure washer Honda engine models, the ALWB60828 is purpose-built for demanding cleaning work. It’s especially suited for:

  • Deck and fence restoration contractors
  • Paint preparation and graffiti removal specialists
  • Facility and fleet maintenance teams
  • Contractors who need a durable, portable gas pressure washer for varied job sites

Comparison with Similar Products

Compared to entry-level consumer units, the Simpson Cleaning ALWB60828 stands out with its 4200 PSI and 4.0 GPM rating, industrial CAT pump, and Honda GX390 engine. Versus other commercial units, its aluminum frame makes it lighter and more corrosion resistant than many steel-frame competitors. If you’re balancing portability and power, the ALWB60828’s 50-foot hose and aircraft-grade aluminum construction give it an edge for contractors seeking a high-performance, long-lasting commercial pressure washer.

Frequently Asked Questions

Q: Is this unit suitable for professional contractors?

A: Yes. The Simpson ALWB60828 is designed for commercial use and comes with warranties tailored to professional users.

Q: Can I find Simpson pressure washer deals or discounts?

A: Price and promotions vary — check the Amazon listing for current Simpson ALWB60828 price and deals. Use the link below to compare offers and shipping options.

Q: How portable is the Simpson Aluminum Water Blaster?

A: The aircraft-grade aluminum frame and 13″ pneumatic tires make it easier to move across uneven ground than many steel-frame commercial units, though it’s still a heavy-duty machine.

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Final Verdict

If you’re ready to purchase a Simpson gas pressure washer for sale that combines commercial-level power with smart portability, the Simpson Cleaning ALWB60828 is a top contender. The combination of a Honda GX390 engine, CAT pump delivering 4200 PSI at 4.0 GPM, and heavy-duty 50-foot hose makes it an excellent choice for contractors and professionals. It costs more than consumer-grade machines, but the long-term reliability, warranties, and included accessories justify the investment for those who need consistent, heavy-duty cleaning performance.

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For a broader look at alternatives and how this unit fits into the market, see our recommended roundup: Best Gas Pressure Washer review.

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