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Best SIMPSON Pressure Washers

Discover powerful SIMPSON pressure washers for residential and professional cleaning. Featuring high PSI gas models and reliable pump kits for tough jobs around the home or job site.

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

The SIMPSON AAA 90034 is a triplex plunger replacement pump kit rated at 4400 PSI and 4.0 GPM for horizontal gas pressure washers with 1-inch shafts. Its dual oversized ball bearings and Easy-Start system deliver durable, high-efficiency performance in tough conditions, perfect for industrial pros and DIYers extending equipment life.

  • Extend your pressure washer's life and save money by replacing just the pump instead of the entire machine
  • Achieve powerful 4400 PSI at 4.0 GPM cleaning for walls, driveways, vehicles, and industrial jobs
  • Minimize engine load with high-efficiency design and dual oversized ball bearings for longer lifespan
  • Simplify installation with included mounting hardware, siphon hose, filter, and SAE standard bolt pattern
  • Adjust pressure easily via hand-turn knob and PowerBoost for versatile low-to-high power tasks

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.

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.

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

The SIMPSON PowerShot PS61002-S is a professional cold water gas pressure washer with 3500 PSI at 2.5 GPM, Honda GX200 engine, and AAA AX300 pump. Its commercial-grade power and durable steel frame make it ideal for contractors doing deck cleaning, wood restoration, paint prep, and concrete jobs.

  • Delivers pro-level 3500 PSI at 2.5 GPM to blast grease, grime, and paint fast
  • Reliable Honda GX200 engine starts easily with low oil shutdown for uninterrupted work
  • Maintenance-free AAA AX300 pump with PowerBoost ramps up nozzle pressure and thermal relief prevents overheating
  • Welded powder-coated steel frame resists corrosion and stands up to daily jobsite abuse
  • 10-inch pneumatic tires roll smoothly over uneven terrain for superior portability

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.

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

The Simpson Clean Machine CM61083 is a 3400 PSI, 2.5 GPM gas pressure washer designed for homeowners to clean decks, driveways, siding, and vehicles. Its reliable 208cc CRX engine with low-oil shutdown and 25-foot kink-resistant hose deliver standout performance for residential tasks.

  • Unleash 3400 PSI and 2.5 GPM to blast grime from decks, driveways, siding, and cars effortlessly
  • Easy-start 208cc CRX engine with low-oil shutdown ensures reliable performance without hassle
  • 25ft MorFlex hose resists kinks for extended reach and protects surfaces during cleaning
  • 10-inch pneumatic tires and balanced frame make it simple to maneuver over gravel or grass
  • Maintenance-free axial cam pump with thermal relief prevents overheating for long sessions

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.

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.

Welcome to our SIMPSON Pressure Washers category, where rugged reliability meets high-performance cleaning power. As a trusted name in outdoor power equipment, SIMPSON delivers gas-powered models ideal for homeowners and pros tackling driveways, siding, decks, and vehicles. Our selection includes residential power washers, professional-grade units with Honda engines, and essential pump kits to keep your setup running strong.

Why Choose SIMPSON Pressure Washers?

SIMPSON stands out for its commitment to durability and performance, using premium components like Honda GX engines and AAA pumps. These washers are built for demanding tasks, offering 49-state compliance for cleaner emissions and features like the innovative Clean Machine system for easy maintenance. Whether you're restoring a patio or prepping a job site, SIMPSON's engineering ensures longer runtime and better results compared to entry-level options. As part of our expansive Outdoor Power Tools lineup, they fit seamlessly into any serious cleaning arsenal.

Key Features to Consider When Shopping SIMPSON Pressure Washers

Selecting the right SIMPSON model starts with understanding core specs:

  • PSI and GPM: Pressure (PSI) measures cleaning force, while flow rate (GPM) determines speed. Look for 3400+ PSI for residential versatility.
  • Engine and Pump: Honda GX200 engines provide reliable starts, paired with axial cam or triplex pumps for longevity.
  • Hose and Accessories: 25-foot hoses and siphon tubes enhance reach and suction.
  • Build Quality: Steel frames and compliant designs withstand heavy use.

These features make SIMPSON ideal for everything from light home maintenance to industrial prep. Buyers often prioritize cold water models for simplicity and cost-effectiveness.

Top SIMPSON Pressure Washers and Accessories Compared

Our category spotlights three standout items tailored to different needs:

The 3400 PSI Gas Pressure Washer (CM61083) is perfect for residential users. With 2.5 GPM flow, a 25-foot hose, and Clean Machine tech, it blasts away grime from patios and fences effortlessly. Its 49-state compliance suits eco-conscious homeowners.

For upgrades or repairs, the AAA 90034 Horizontal Triplex Plunger Pump Kit delivers 4400 PSI at 4.0 GPM. Compatible with industrial gas machines, it includes hardware and a siphon tube—ideal for boosting older SIMPSON units or custom builds.

Pros demand the 61014 3500 PSI Professional Gas Pressure Washer (PS61002-S). Powered by a Honda GX200 and AAA AX300 axial cam pump at 2.5 GPM, it handles commercial jobs with superior endurance.

ModelPSI/GPMEngine/PumpBest For
CM610833400/2.5Gas / Clean MachineResidential
AAA 90034 Pump4400/4.0Triplex PlungerReplacements/Upgrades
PS61002-S3500/2.5Honda GX200 / AAA AX300Professional

Choose the CM61083 for everyday home use, the pump kit for maintenance, or the PS61002-S for pro-level power. All embody SIMPSON's reputation for outlasting competitors.

Common Use Cases for SIMPSON Pressure Washers

These machines excel in Patio, Lawn & Garden tasks like deck restoration and siding refresh. Driveway oil stains vanish quickly, while vehicle detailing benefits from adjustable nozzles. For broader options, explore our full Pressure Washers category. If SIMPSON's gas power feels heavy-duty, compare with electric alternatives in Greenworks Pressure Washers or Westinghouse Pressure Washers.

Frequently Asked Questions

What sets SIMPSON pressure washers apart from competitors?

SIMPSON prioritizes commercial-grade components like Honda engines and AAA pumps, offering better durability and PSI consistency than many budget brands. They're engineered for real-world abuse.

Which SIMPSON model is best for home use?

The 3400 PSI CM61083 strikes the ideal balance for residential cleaning—powerful yet user-friendly with its Clean Machine system and compliant design.

Are SIMPSON pressure washers easy to maintain?

Yes, features like accessible pumps and the AAA replacement kit make upkeep simple. Regular oil changes and hose checks keep them running for years.

What warranty does SIMPSON offer?

SIMPSON typically provides 1-2 year warranties on engines and pumps, with strong customer support. Always check product specs for details.

Can I use SIMPSON washers professionally?

Absolutely—the 3500 PSI PS61002-S with Honda power is pro-rated for job sites, outperforming many entry-level commercial units.