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SIMPSON

SIMPSON is a trusted leader in high-performance gas pressure washers, delivering powerful PSI and GPM for residential and commercial cleaning tasks.

8 products Updated March 4, 2026

SIMPSON Products (8)

1
-8%
SIMPSON 80144 4500 PSI Turbo Nozzle - Universal 1/4" Quick Connect Pressure Washer Tip, Hot/Cold Water Compatible
Prime

SIMPSON 80144 4500 PSI Turbo Nozzle - Universal 1/4" Quick Connect Pressure Washer Tip, Hot/Cold Water Compatible

SIMPSON
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional cleaning power with oscillating jet for stubborn dirt
  • Easy quick-connect installation on compatible wands
  • High durability and genuine Simpson quality
  • Broad compatibility with most gas pressure washers
  • Versatile for residential and professional applications

Cons

  • Requires a 1/4-inch QC wand socket, not universal for all setups
  • Max 4500 PSI rating limits use on higher-pressure machines
  • Intense spray may be too aggressive for delicate surfaces
2

SIMPSON Water Blaster WB60824: 4400 PSI 4.0 GPM Gas Pressure Washer, CRX420 Engine, 50ft Steel Hose - Commercial Pro

SIMPSON
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional power and flow rate for commercial-grade performance
  • Durable, high-quality accessories included out of the box
  • Easy assembly, start, and maneuverability
  • Corrosion-resistant build for long-term reliability
  • 4.6/5 rating from 21 reviews confirms user satisfaction

Cons

  • Premium price may deter casual or residential users
  • Gas engine requires fuel, oil checks, and ongoing maintenance
  • 49-state compliant only, not available for California
3
-5%
SIMPSON AAA 90036 Triplex Plunger Pump Kit - 3200 PSI, 2.8 GPM, 3/4" Shaft Replacement for Gas Pressure Washers, Easy Install

SIMPSON AAA 90036 Triplex Plunger Pump Kit - 3200 PSI, 2.8 GPM, 3/4" Shaft Replacement for Gas Pressure Washers, Easy Install

SIMPSON
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Dual oversized ball bearings reduce friction for superior durability in harsh conditions
  • Easy-Start stainless steel unloader simplifies priming and boosts reliability
  • Standard garden hose inlet and M22 outlet ensure hassle-free hose connections
  • Thermal relief valve protects against overheating during extended use
  • Precision stainless steel pistons extend seal life for fewer maintenance needs

Cons

  • Requires verifying horizontal engine orientation, shaft size, and inlet/outlet compatibility
  • Best suited for gas models supporting up to 3200 PSI; not ideal for vertical engines
4

SIMPSON Clean Machine 3400 PSI Gas Pressure Washer, 2.5 GPM, 25ft MorFlex Hose - Powerful Home Cleaning (CM61083)

SIMPSON
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • High 3400 PSI/2.5 GPM power handles heavy residential cleaning jobs
  • Durable, kink-resistant 25ft hose with quick-connects speeds setup
  • Easy mobility with pneumatic tires and corrosion-resistant steel frame
  • Comprehensive accessories including multiple nozzles for various surfaces
  • User-friendly engine starts reliably with safety features

Cons

  • Not compliant for sale in California
  • Gas-powered requires fuel, oil checks, and outdoor storage
  • 64 lb weight may be cumbersome for some without wheels engaged
5
Prime

SIMPSON PowerShot PS3228 3300 PSI 2.5 GPM Gas Pressure Washer Honda GX200 - Pro Deck Cleaning & Restoration

SIMPSON
9.5
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Powerful Honda engine and triplex pump outperform residential models for professional tasks
  • Durable steel construction and pneumatic tires handle harsh environments and uneven ground
  • Complete accessory kit including 5 nozzles and long hose ready for immediate versatile use
  • High 4.2/5 rating from 2258 reviews confirms reliability and performance
  • Easy assembly and start for quick job readiness

Cons

  • Gas-powered requires fuel management and periodic maintenance unlike electric models
  • 49-state compliant, not suitable for California due to emissions regulations
  • Heavier build (pro-grade) may be less ideal for light residential or infrequent use
6

SIMPSON AAA 90034 Triplex Plunger Pump Kit 4400 PSI 4.0 GPM 1" Shaft - Horizontal Replacement for Gas Pressure Washers w/ Hardware & Siphon

SIMPSON
9.5
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • High 4.2/5 rating from 982 reviews confirms reliability
  • Fully plumbed kit includes all essentials for quick setup
  • Easy-Start unloader and thermal protection enhance safety and usability
  • Standard garden hose inlet and QC outlet fit common hoses
  • Precision components ensure extended seal life and friction resistance

Cons

  • Premium price at $387.63 may deter casual users
  • Requires verifying compatibility for engine orientation, shaft size, and connections
  • Best suited for horizontal engines, limiting vertical setups
7
Prime

SIMPSON PowerShot PS60843 4400 PSI 4.0 GPM Gas Pressure Washer - Commercial Cold Water w/50' Hose, Pro Cleaning Power

SIMPSON
9.3
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional power for commercial cleaning tasks like wood restoration and fleet maintenance
  • Durable 50' hose and premium components built for pro-level reliability
  • Easy setup with quick-connect fittings and onboard storage
  • Balanced design with pneumatic tires for superior maneuverability
  • Comprehensive accessories included for immediate versatility

Cons

  • Hefty 107 lb. weight requires two people for assembly and transport
  • Gas engine needs regular maintenance like oil checks
  • 49-state compliant only, not available for California residents
8

SIMPSON PowerShot PS61002-S 3500 PSI 2.5 GPM Gas Pressure Washer Honda GX200 AAA Pump Pro Grade

SIMPSON
9.3
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional power for tough professional tasks like deck restoration and concrete cleaning
  • Honda engine reliability backed by easy starts and low-oil protection
  • Durable build with pneumatic tires enhances jobsite mobility
  • Includes premium accessories for immediate versatile use
  • 3.9/5 rating from 1179 reviews confirms real-world performance

Cons

  • Hefty 74 lb weight may need two people for loading
  • 49-state compliant only, not suitable for California use
  • Gas-powered requires fuel management and basic maintenance

SIMPSON Brand Guide

SIMPSON Brand Overview and History

SIMPSON has been a powerhouse in the outdoor power tools industry for decades, specializing in premium pressure washers that redefine cleaning efficiency. Founded with a mission to provide professional-grade equipment accessible to homeowners, the brand has evolved into a leader under the FNA Group umbrella. Starting from humble beginnings in the mid-20th century, SIMPSON pioneered innovations in gas-powered pressure washing technology, focusing on high PSI outputs and rugged durability. Today, SIMPSON pressure washers are engineered in the USA with global components, earning a reputation for reliability in harsh conditions. From residential driveway refreshers to commercial fleet washing, SIMPSON's commitment to quality shines through in every model, consistently earning top ratings on platforms like Amazon.

Key Product Categories and Features

SIMPSON's lineup falls under Patio, Lawn & Garden > Outdoor Power Tools > Pressure Washers, featuring gas-powered cold water units ideal for heavy-duty tasks. Here's a breakdown of standout categories and features:

  • Commercial-Grade Models (4400 PSI, 4.0 GPM): Like the WB60824 and PS60843, these beasts handle industrial jobs with CRX engines, 50-foot steel-braided hoses, and PowerShot technology for concentrated cleaning.
  • Residential Powerhouses (3300-3400 PSI, 2.5 GPM): Models such as CM61083 and PS3228 use Honda GX200 engines, 25-foot MorFlex hoses, and include extension wands with 5 quick-connect nozzles for versatile surface cleaning.
  • Core Features Across All Models:
    • High PSI (3300-4400) for stripping tough stains like oil, mildew, and paint.
    • Generous GPM for faster rinsing and broader coverage.
    • 49-state compliant engines for eco-friendly operation.
    • Durable steel frames, never-flat wheels, and ergonomic designs for easy maneuverability.
    • Accessories included: spray guns, nozzles (0-40°), and chemical injectors for soaps.

These features make SIMPSON washers versatile for patios, fences, RVs, and more, outperforming electric competitors in power and runtime.

Why Choose SIMPSON Pressure Washers?

Choosing SIMPSON means investing in unmatched power and durability that saves time and money long-term. With ratings from 3.9 to 4.6 stars, users rave about their ability to restore surfaces without damage, thanks to adjustable pressures and precision nozzles. Unlike budget brands, SIMPSON's commercial heritage ensures components withstand daily abuse—think rust-resistant pumps and vibration-dampening frames. They're perfect for DIY enthusiasts and pros needing portability without sacrificing output. Plus, as an affiliate favorite, they offer great value with warranties up to 5 years on select parts. If you're tired of weak sprays or frequent breakdowns, SIMPSON delivers pro results at home.

FAQ

What makes SIMPSON pressure washers better than electric models?

SIMPSON gas washers provide higher PSI (up to 4400) and unlimited runtime without outlets, ideal for large areas like driveways or siding, unlike electrics limited to 2000 PSI.

Are SIMPSON pressure washers easy to assemble and maintain?

Yes, most models assemble in under 30 minutes with clear manuals. Maintenance is straightforward: regular oil changes, filter cleans, and winterizing ensure years of service.

Which SIMPSON model is best for home use?

The 3400 PSI CM61083 or PS3228 with Honda engines offer the perfect balance of power for residential tasks like decks and vehicles, with 4.2-4.3 star ratings.

Do they come with warranties?

SIMPSON offers 1-5 year warranties on engines and pumps, depending on the model, covering defects for peace of mind.

Can I use SIMPSON washers for commercial jobs?

Absolutely—the 4400 PSI models like WB60824 are designed for pros, with 4.0 GPM and 50' hoses for fleets, patios, and heavy grime.